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The installation of solar panels and heat pumps in UK homes soared in 2023, driving the country to its highest-ever level of domestic low-carbon technology upgrades.

Registered solar photovoltaic (PV) installations rose nearly 30% to a post-subsidy record of 189,826 in 2023, according to the Microgeneration Certification Scheme (MCS).

Similarly, heat-pump installations were up 20%, reaching a record 36,799.

This growth drove a UK record for the total number of domestic renewable electricity and low-carbon heat technologies installations registered by MCS, which reached 229,618.

This brings the total MCS-certified installations of solar PV overall to 1,441,753 since 2009, equivalent to more than 5% of all UK households.

The near-record figure for home solar in 2023 is particularly significant because it came without any government support, whereas previous growth was driven by deadlines under the Feed-in-Tariff (FiT) subsidy scheme, which ended in 2019.

Below, Carbon Brief looks at MCS’s installation figures for 2023, picking out some of the most significant domestic developments.

Record clean energy growth

The UK had already recorded its “best-ever” year for renewable energy and low-carbon heat installations before 2023 came to end, as Solar Power Portal reported in December.

While solar PV and air-source heat pumps (ASHP) saw growth in their installation rates in 2023, other clean technologies dropped off somewhat.

By the end of the year, a record total of 229,618 MCS certified installations had been registered (there is the potential for a small change to the total, due to a lag with registrations, MCS told Carbon Brief).

This included a post-subsidy record 189,826 solar PV installations, up by a third from the 138,020 seen in 2022.

Solar Energy UK chief executive Chris Hewett said in a statement:

“Setting a post-subsidy record of almost 190,000 smaller-scale solar PV installations, and approaching the all-time record of 203,000, is truly a moment to celebrate. The solar industry is on a roll, particularly as we start to conclude work on the government-industry Solar Taskforce, whose roadmap for delivering 70GW [gigawatts] of capacity is due to be published in a couple of months.”

The number of MCS-registered ASHP installations grew to a record 36,799 in 2023 from 29,490 a year earlier. (The real number of heat pumps installed in the UK is likely to be higher, as there is currently no mandate for all low-carbon technology deployments to be certified, or reported in a single place.)

Bean Beanland, director for growth at trade association the Heat Pump Federation, tells Carbon Brief the growth in demand for ASHPs was being driven by increasing activity from “early movers”, as well as by the boiler upgrade scheme (BUS) subsidy, which was introduced in 2022 and increased in 2023.

The BUS initially offered a £5,000 grant for those installing an ASHP or biomass boiler and £6,000 for a ground-source heat pump (GSHP). This was raised to £7,500 for both ASHPs and GSHPs in October 2023.

Beanland adds:

“[Following the increase in the grant] one of our members went back to all the consumers who they had quoted during 2023, detailing the increase, but where they had not converted the opportunity. The result was a significant number of contracts, so the additional £2,500 has certainly made a difference.

“In parallel, the whole visibility of the technology is being driven by the likes of Octopus, Good Energy and OVO, with their very high-profile campaigns and the advent of time-of-use tariffs that improve the financial benefits considerably.”

Customers who are able to afford to deploy solar PV, a battery and a heat pump can use such tariffs to reduce operational cost, allowing the heat pump to compete with gas, he adds.

The number of GSHP installations fell from 3,420 to 2,469, while solar-thermal installations nearly halved, falling from 615 to 311.

Beanland says:

“The value of the BUS for ground-source is just far too low. Government has made a conscious decision to go for numbers rather than the highest efficiency by supporting air-source to a much greater extent. This has been compounded now that the BUS levels for air- and ground- are the same.”

The surge in ASHP means that low-carbon heating technologies still saw an overall increase in 2023, rising by 20% year-on-year, as reported by BusinessGreen.

Despite this growth, however, the installation of heat pumps remains a long way from hitting the UK government target of 600,000 installations per year by 2028.

UK heat pumps and solar drive home installation record in 2023
Heat pump (red), solar PV (blue) and other low-carbon installation figures from 2019-2023, from MCS’s Dashboard. Source: MCS. Chart: Molly Lempriere for Carbon Brief.

While the MCS dashboard does not provide data on battery storage installations, a recent release from the company states that 2023 was a record-breaking year for the technology. MCS says batteries were the third most popular technology type to be installed in homes by its certified contractor base.

Of the 4,700 certified batteries registered with MCS, 4,400 were installed in 2023, it adds.

With the energy price cap on average domestic energy bills now sitting below £2,000 per year and installation costs having increased with inflation, it is unclear whether the high levels of solar PV installations in 2023 will be maintained this year.

Solar Energy UK’s chief communications officer Gareth Simkins says:

“Speculation is always a dangerous game. I think it is reasonable for current deployment rates – around 15,000 a month – to continue. This will not just be retrofits of course – we expect more newbuild homes to carry solar, too.”

Monthly solar installations hit highs

Last year saw monthly installations of rooftop solar PV start to hit the levels seen in 2015, when government subsidies were still available, as shown by the red bars in the figure below.

March 2023 saw 20,073 registered solar PV installations, putting it in the top 10 months seen in the UK. Both 11th and 12th places were claimed by months in 2023 too, with June seeing 18,049 installations and May seeing 17,787 installations.

The rest of the top 10 installation months are dominated by 2011, 2012 and 2015. This was driven largely by subsidy deadlines, with a rush seen ahead of cuts leading to record-high installation periods.

Home solar is approaching record popularity despite end to subsidies
The top 12 highest months for solar PV installation in the UK between 2009 and 2023, according to the MCS Dashboard, with the three months in 2023 shown in red. Source: MCS. Chart: Molly Lempriere for Carbon Brief.

In 2012, the FiT subsidy for solar was cut in half, reducing from 43.3p per kilowatt hour (kWh) to just 21p per kWh. This cut returns from solar electricity from around 7% to 4%, according to the Guardian.

In doing so it almost doubled the payback period for households, with some seeing their £10,000-12,000 solar panels only being in credit after 18 years rather than 10, the Guardian reported at the time.

This change followed then-climate change minister Greg Barker launching a consultation into the subsidies in an effort to avoid the industry falling victim to “boom and bust“.

Following the change, installations fell by nearly 90%, according to Department of Energy and Climate Change figures reported in the Guardian.

Installations dropped from 26,941 in March 2012 to 5,522 in April 2012, according to MCS figures, although there was a further surge later that year.

Throughout 2013, installations remained relatively subdued, growing through 2014 before peaking again in 2015. Installations hit 25,614 in December 2015, but this came ahead of further FiT reduction in February 2016, which sent “shockwaves” through the sector and saw installations drop dramatically

The FiT came to an end in 2019, with the solar export guarantee brought in 2020, which sets a minimum price for electricity exported to the grid.

Following the resulting lull in installations, domestic solar PV has once again been growing. The difference this time is that there is no underlying subsidy driving growth, with rising energy bills and longer-term falls in technology costs making the technology increasingly appealing.

Speaking to Carbon Brief, Solar Energy UK’s Simkins says:

“Oddly enough, it shows the success of FiTs in creating a market for solar in the first place, with the industry now standing entirely on its own two feet without government support.”

Installation costs rise

The inflationary impacts of the Covid-19 pandemic and the subsequent energy crisis led to an increase in solar technology costs in 2023.

Consequently, installation costs have risen over recent years, according to MCS. Across every month in 2023, average installation costs sat above £10,000 – the only time in more than a decade that they have reached that level, as shown in the figure below.

This has been impacted by the scale of the installations to a certain extent, with the installation cost per kilowatt (kW) seeing a more limited increase. Across 2022, the average cost of installing solar per kW was £1,804 and in 2023 this rose to £2,020.

Moreover, in some months, solar was actually cheaper per kilowatt (kW) in 2023 than in 2022, MCS data shows.

It is also worth noting that the increase in the cost of solar installations has not been as dramatic as the increase in energy bills over the past couple of years.

The energy crisis drove up domestic energy bills from late 2021, as supply chain squeezes driven in part by the Russian invasion of Ukraine sent gas prices to record highs.

As a result, the default tariff price cap for consumers jumped from £​​1,277 per year in the six months to March 2022, to £1,971 over that summer, and then to £3,549 over the winter of 2022.

It then surged again to £4,279 over the first quarter of 2023, before it began to fall (the energy price guarantee came into force in October 2022, superseding the rate of the price cap, and limiting domestic energy bills to £2,500 initially).

The surge in domestic energy prices highlighted the exposure of the British energy system to fluctuations in international gas markets. In doing so, it is likely it helped drive uptake of domestic solar – as shown in the figure below – as households looked to cushion themselves from potential future surges.

The energy bills spike has driven near-record growth in home solar
The increase in solar installations (red) in the UK based on MCS Dashboard data, and the average energy bills per month, relative to pre-pandemic average (blue) based on Ofgem’s default tariff price cap and the energy price guarantee. Source: MCS, Ofgem. Chart: Carbon Brief.

Speaking to Carbon Brief, solar wholesaler Midsummer’s commercial director Jamie Vaux says installation costs are now coming down.

The high installation costs and long installation lead times in 2022, were driven by demand exceeding supply, he says. With new installers entering the market and mortgage rates and inflation hitting consumer spending, this has started to ease, he adds.

Average installation prices per kW peaked at £2,111 in April 2023, before slowly falling throughout the year.

Vaux explains:

“Essentially, those who had the funds available when the energy crisis hit have already had their installations, and while many still want solar, the rate stopped climbing so steeply and the curve flattened at the same time as more installers were there to meet the demand. It has become more competitive at the installation level, and installation costs have (gradually) fallen as a result.”

There is also currently a glut of solar modules, which could help prices continue to fall and stimulate further update of solar, according to Vaux.

There is currently “a year’s worth of modules already sitting in EU warehouses, and devaluing daily”, Vaux adds, meaning top-tier modules can be bought for a fraction of prices seen in 2022.

Solar Scotland

The area with the overall highest share of households with solar PV installations since the start of MCS data in 2009 is Stirling in Scotland, where 16.7% of households have solar PV (6,994 households).

Perhaps surprisingly, given their poorer insolation rates relative to other parts of the UK, Scottish local authorities appear four times in the top 10, as shown in the figure below.

Scotland’s housing policy means it is mandatory for solar to be fitted on all new build properties, helping to boost installation rates.

The areas with the highest percentage of households with solar PV installations are clustered in Scotland and the south west
The 10 local authorities with the highest percentage of households with solar PV installations from 2009-2023, based on MCS data, showing installations clustered in Scotland, Wales and the southwest. Source: MCS. Map: Carbon Brief.

In terms of installations completed during 2023, the Isle of Anglesey came out on top, with 1,083 systems added, amounting to 3.5% of households.

The top 10 for last year is dominated by Welsh and Scottish local authorities, with just one English local authority making it into the list – South Cambridgeshire in ninth place.

There are five Scottish local authorities (Dumfries and Galloway, East Lothian, Perth, Moray and Kinross and Midlothian) and four Welsh local authorities (Isle of Anglesey, Ceredigion, Powys and Pembrokeshire).

The 10 local authority areas with the lowest percentage of solar PV installations since 2009 are all in London, with Kensington and Chelsea coming out on top with just 0.4% (or 297) of households having registered solar PV installed, according to MCS.

It is worth noting that due to the density of the households in London and other major cities, they are over-represented in the lowest percentage list for solar installations.

For example, Wandsworth – which comes out as having the tenth lowest rate of just 1.1% of households having solar PV – only has 1,496 installations.

Meanwhile, Torridge in Devon – which has the eighth highest rate of installations in the UK at 12.8% – has 3,899 solar PV installations. While this is more than double the number is Wandsworth, the much larger difference in percentage terms highlights the impact of population size in each local authority area.

The same is broadly true of 2023. While the area last year with the lowest installation rate was Derry City and Strabane, with just 73 installations (0.1% of households), the bottom ten is still dominated by London boroughs, which made up eight of the list.

Detached properties are the most common when it comes to solar PV installations, with 50,8193 of the MCS registered solar PV installations since 2009 (35.2%) having been fitted on detached properties, versus 447,415 on semi-detached, 288,886 on terraced, 187,131 on flats and apartments and 10,100 on other properties.

This means detached properties – which tend to be larger, with more roof area – are over-represented in terms of their share of solar installations, as shown in the figure below.

Detached properties are over represented in solar PV installs
Percentage of properties in England and Wales that are detached, semi-detached, terraced, flat/apartment or other based on data from the ONS, and the percentage of properties types with solar PV installations in England and Wales between 2009-2023, based on MCS data. Source: MCS. Chart: Carbon Brief.

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Analysis: Surge in heat pumps and solar drives record for UK homes in 2023

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DeBriefed 16 January 2026: Three years of record heat; China and India coal milestone; Beijing’s 2026 climate outlook

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Welcome to Carbon Brief’s DeBriefed. 
An essential guide to the week’s key developments relating to climate change.

This week

Hottest hat-trick

STATE OF THE CLIMATE: Scientists have announced that 2025 was either the second or third hottest year on record, with close margins between last year and 2023, reported the Associated Press. The newswire noted that “temperature averages for 2025 hovered around – and mostly above – 1.4C of industrial era warming”. Bloomberg said that this happened despite the natural weather phenomenon La Niña, which “suppresses global temperatures”, meaning “heat from greenhouse gases countered that cooling influence”. Carbon Brief’s comprehensive analysis of the data found cumulative global ice loss also “reached a new record high in 2025”.

OVERHEATING OCEANS: Separately, the world’s oceans “absorbed colossal amounts of heat in 2025”, said the Guardian, setting “yet another new record and fuelling more extreme weather”. It added that the “extra heat makes the hurricanes and typhoons…more intense, causes heavier downpours of rain and greater flooding and results in longer marine heatwaves”.

FIRE AND ICE: Wildfires in Australia have destroyed around 500 structures, said the Sydney Morning Herald, with a “dozen major fires” still burning. A wildfire in Argentinian Patagonia has “blazed through nearly 12,000 hectares” of scrubland and forests, according to the Associated Press. Meanwhile, parts of the Himalayas are “snowless” for the first time in nearly four decades, signalling a “climatic anomaly”, reported the Times of India.

Around the world

  • EMISSIONS REBOUND: US emissions rose 2% last year after two years of declines” due to a rise in coal power generation, said Axios, in coverage of research by the Rhodium Group.
  • ‘UNINVESTABLE’ OIL: US president Donald Trump may “sideline” ExxonMobil from Venezuela’s oil market after its comment that Venezuela is “uninvestable”, reported CNBC. TotalEnergies is also “in no rush to return to Venezuela”, said Reuters
  • PRICE WARS: The EU issued guidelines that will allow tariffs on Chinese electric vehicles to be removed in exchange for minimum price commitments, said Reuters
  • ‘RECORD’ AUCTION: The UK government has secured “8.4 gigawatts of new offshore wind power” in a “record” auction, said Sky News. Although the auction saw some price rises, this will likely be “cost neutral” for consumers, Carbon Brief said – contrary to the “simplistic and misleading” narratives promoted by some media outlets.
  • COP STRATEGY: The Guardian reported that Chris Bowen, the Australian minister appointed “president of negotiations” for COP31, plans to use his role to lobby “Saudi Arabia and others” on the need to phase out fossil fuels. 

$2bn

The size of a new climate fund unveiled by the Nigerian government, according to Reuters


Latest climate research

  • Rooftop solar in the EU has the potential to meet 40% of electricity demand in a 100% renewable scenario for 2050 | Nature Energy
  • Natural wildfires, such as those ignited by lightning strikes, have been increasing in frequency and intensity in sub-Saharan Africa, driven by climate change | Global and Planetary Change
  • Engaging diverse citizens groups can lead to “more equitable, actionable climate adaptation” across four pilot regions in Europe | Frontiers in Climate

(For more, see Carbon Brief’s in-depth daily summaries of the top climate news stories on Monday, Tuesday, Wednesday, Thursday and Friday.)

Captured

Chart: Record clean energy growth helped cut coal power in China and India

Both China and India saw coal power generation fall in 2025, in the “first simultaneous drop in half a century”, found new analysis for Carbon Brief, which was widely reported around the world. It noted that, for both countries, the decline in coal was driven by new clean-energy capacity additions, which were “more than sufficient to meet rising demand”.

Spotlight

What are China experts watching for in 2026?

The year 2026 will be pivotal for China’s climate policy. In March, the government will release key climate and energy targets for 2030, the year by which China has pledged to have peaked its emissions.

At the same time, with the US increasingly turning away from climate policy and towards fossil fuel expansionism, China’s role in global climate action is more important than ever.

Carbon Brief asks leading experts what they are watching for from China over the year ahead.

Shuo Li, director of the China Climate Hub, Asia Society Policy Institute

After decades of rapid growth, independent analyses suggest China’s CO2 emissions may have plateaued or even begun to decline in 2025.

The transition from emissions growth to stabilisation and early decline will be the key watch point for 2026 and will be shaped by the forthcoming 15th five-year plan. [This plan will set key economic goals, including energy and climate targets, for 2030.]

However, the precise timing, scale and enforceability of these absolute emissions control measures remain under active debate. Chinese experts broadly agree that if the 2021-2025 period was characterised by continued emissions growth, and 2031-2035 is expected to deliver a clear decline, then 2026-2030 will serve as a critical “bridge” between the two.

Yan Qin, principal analyst, ClearBlue Markets

First, the 15th five-year plan inaugurates the “dual control of carbon” system. This year marks the first time industries and local governments face binding caps on total emissions, not just intensity.

Second, the national carbon market is aggressively tightening. With the inclusion of steel, cement and aluminum this year, regulators are executing a “market reset” – de-weighting older allowances [meaning they cannot be used to contribute to polluters’ obligations for 2026] and enforcing stricter benchmarks to bolster prices ahead of the full rollout of the EU’s carbon border adjustment mechanism.

Cecilia Trasi, senior policy advisor for industry and trade, ECCO

China’s solar manufacturing overcapacity is prompting Beijing’s first serious consolidation efforts. At the same time, its offshore wind technology is advancing rapidly [and there are] signals that Chinese wind companies are pursuing entry into European markets through local production, mirroring strategies adopted by battery manufacturers.

Together, these dynamics suggest that the next phase of cleantech competition will be shaped less by trade defense alone and more by the interaction between Chinese supply-side reforms and global market-absorption capacity.

Tu Le, managing director, Sino Auto Insights

China’s electric vehicle (EV) industry has been the primary force pushing the global passenger vehicle market toward clean energy. That momentum should continue. But a growing headwind has emerged: tariffs. Mexico, Brazil, Europe and the US are just a few of the countries raising barriers, complicating the next phase of global EV expansion.

One new wildcard: the US now effectively controls Venezuelan oil. If that meaningfully impacts global oil prices, it could either slow – or unexpectedly accelerate – the shift toward clean-energy vehicles.

Responses have been edited for length and clarity.

A full-length version of the article is available on the Carbon Brief website.

Watch, read, listen

SHAPING THE LAND: In addition to land use shaping the climate, climate change is now increasingly “changing the land”, according to satellite monitoring by World Resources Institute, creating a “dangerous feedback loop”.

‘POSITIVE TIPPING POINTS’: A commentary co-authored by climate scientist Prof Corinne Le Quéré in Nature argued that several climate trends have locked in “irreversible progress in climate action”.

FROM THE FLAMES: Nick Grimshaw interviewed musician and data analyst Miriam Quick on how she turned the 2023 Canadian wildfires into music on BBC Radio 6. (Skip to 1:41:45 to listen.)

Coming up

Pick of the jobs

DeBriefed is edited by Daisy Dunne. Please send any tips or feedback to debriefed@carbonbrief.org.

This is an online version of Carbon Brief’s weekly DeBriefed email newsletter. Subscribe for free here.

The post DeBriefed 16 January 2026: Three years of record heat; China and India coal milestone; Beijing’s 2026 climate outlook appeared first on Carbon Brief.

DeBriefed 16 January 2026: Three years of record heat; China and India coal milestone; Beijing’s 2026 climate outlook

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Brazil’s biodiversity pledge: Six key takeaways for nature and climate change

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The world’s most biodiverse nation, Brazil, has belatedly published its UN plan for halting and reversing nature decline by the end of this decade.

Brazil is home to 10-15% of all known species on Earth, 64% of the Amazon rainforest and it supplies 10% of global food demand, according to official estimates.

It was among around 85% of nations to miss the 2024 deadline for submitting a new UN nature plan, known as a national biodiversity strategy and action plan (NBSAP), according to a joint investigation by Carbon Brief and the Guardian.

On 29 December 2025, Brazil finally published its new NBSAP, following a lengthy consultation process involving hundreds of scientists, Indigenous peoples and civil society members.

The NBSAP details how the country will meet the goals and targets of the Kunming-Montreal Global Biodiversity Framework (GBF), the landmark deal often described as the “Paris Agreement” for nature, agreed in 2022. 

Below, Carbon Brief walks through six key takeaways from Brazil’s belated NBSAP:

  1. The government plans to ‘conserve’ 80% of the Brazilian Amazon by 2030
  2. It plans to ‘eliminate’ deforestation in Brazilian ecosystems by 2030
  3. Brazil has ‘aligned’ its actions on tackling climate change and biodiversity loss
  4. The country seeks to ‘substantially increase’ nature finance from a range of sources
  5. Brazil’s plans for agriculture include ‘sustainable intensification’
  6. Brazil conducted a largest-of-its-kind consultation process before releasing its NBSAP

The government plans to ‘conserve’ 80% of the Brazilian Amazon by 2030

The third target of the GBF sets out the aim that “by 2030 at least 30% of terrestrial, inland water and of coastal and marine areas…are effectively conserved and managed”. This is often referred to as “30 by 30”.  

Previous analysis by Carbon Brief and the Guardian found that more than half of countries’ pledges were not aligned with this aim. (Importantly, all of the GBF’s targets are global ones and do not prescribe the amount of land that each country must protect.)

Brazil’s NBSAP sets a substantially higher goal – it seeks to conserve 80% of the Amazon rainforest within its borders, as well as 30% of the country’s other ecosystems.

Since Brazil is one of the largest countries in the world, in addition to being the most biodiverse, this higher target represents a significant step towards achieving the global target.

For the purposes of its protected areas target, Brazil considers not just nationally designated protected areas, but also the lands of Indigenous peoples, Quilombola territories and other local communities.

As the NBSAP notes, Brazil has already taken several steps towards achieving the “30 by 30” target.

In 2018, the country created or expanded four marine protected areas in its territorial waters, increasing its protected area coverage from around 1.5% to greater than 25%. 

According to Brazil’s sixth national report, submitted to the CBD in 2020, 18% of the country’s “continental area” – that is, its land and inland waters – was part of a protected area. More than 28% of the Amazon received such a designation. 

A further 12% of the country is demarcated as Indigenous lands, which “provide important protection to a large territorial extension of the country, particularly in the Amazon biome”, the report says.

The action plan that accompanies the new NBSAP sets out 15 actions in support of achieving target three, including recognising and titling Indigenous lands, establishing ecological corridors and biosphere reserves and implementing national strategies for mangrove, coral reef and wetlands protection.

It plans to ‘eliminate’ deforestation in Brazilian ecosystems by 2030

As well as committing to the GBF targets of protecting and restoring ecosystems, Brazil’s NBSAP also sets a separate target to “eliminate” deforestation in Brazilian biomes by 2030.

Target 1B of Brazil’s NBSAP says that the country aims to “achieve zero deforestation and conversion of native vegetation by 2030”.

The country hopes to achieve this “through the elimination of illegal deforestation and conversion, compensation for the legal suppression of native vegetation, prevention and control of wildfires, combating desertification and attaining land degradation neutrality”.

This goes above and beyond what is set out in the GBF, which does not mention “deforestation” at all.

Brazilian president Luiz Inácio Lula da Silva was reelected as leader in 2022 on a promise to achieve “zero deforestation”, following a rise in Amazon destruction under his predecessor, Jair Bolsonaro.

Data from Global Forest Watch (GFW), an independent satellite research platform, found that deforestation in the Brazilian Amazon fell by a “dramatic” 36% in 2023 under Lula.

However, Brazil remains the world’s largest deforester. Separate GFW data shows that the country accounted for 42% of all primary forest loss in 2024 – with two-thirds of this driven by wildfires fuelled by a record drought.

Brazil has ‘aligned’ its actions on tackling climate change and biodiversity loss

Brazil’s NBSAP comes shortly after it hosted the COP30 climate summit in the Amazon city of Belém in November.

One of the presidency’s priorities at the talks was to bring about greater coordination between global efforts to tackle climate change and biodiversity loss.

At the Rio Earth summit in 1992, the world decided to address Earth’s most pressing environmental problems under three separate conventions: one on climate change, one on biodiversity and the final one on land desertification.

But, for the past few years, a growing number of scientists, politicians and diplomats have questioned whether tackling these issues separately is the right approach.

And, at the most recent biodiversity and land desertification COPs, countries agreed to new texts calling for closer cooperation between the three Rio conventions. 

At COP30, the Brazilian presidency attempted to negotiate a new text to enhance “synergies” between the conventions. However, several nations, including Saudi Arabia, vocally opposed the progression of a substantive outcome.

Following on from this, Brazil’s NBSAP states that its vision for tackling nature loss is “aligned” with its UN climate plan, known as a nationally determined contribution (NDC).

In addition, the NBSAP states that Brazil is taking a “holistic approach to addressing the existing crises of climate change and biodiversity loss in a synergistic manner”.

It lists several targets that could help to address both environmental problems, including ending deforestation, promoting sustainable agriculture and restoring ecosystems.

Brazil joins a small number of countries, including Panama and the UK, that have taken steps to bring their actions to tackle climate change and biodiversity loss into alignment.

The country seeks to ‘substantially increase’ nature finance from a range of sources

According to target 19 of the NBSAP, the Brazilian government will “develop and initiate” a national strategy to finance the actions laid out in the document by the end of 2026.

This financial plan “should aim to substantially increase…the volume of financial resources” for implementing the NBSAP.

These resources should come in the form of federal, state and municipal funding, international finance, private funding and incentives for preserving biodiversity, the document continues.

The accompanying action plan includes a number of specific mechanisms, which could be used to finance efforts to tackle nature loss. These include biodiversity credits, a regulated carbon market and the Tropical Forest Forever Facility.

Separately, the NBSAP sets out a goal in target 18 of identifying “subsidies and economic and fiscal incentives that are directly harmful to biodiversity” by the end of this year. Those identified subsidies should then be reduced or eliminated by 2030, it adds.

The document notes that the phaseout of harmful subsidies should be accompanied by an increase in incentives for “conservation, restoration and sustainable use of biodiversity”.

The NBSAP does “important work” in translating the targets of the GBF into “ambitious targets” in the national context, says Oscar Soria, co-founder and chief executive of civil-society organisation the Common Initiative

Soria tells Carbon Brief:

“While the document is laudable on many aspects and its implementation would change things for the better, the concrete financial means to make it a reality – funding it and halting the funding of activities going against it – are still lacking. In this regard, this NBSAP is a good example of the GBF’s problem at the global level.

“The hardest part of political negotiations will begin only now: in 2026, the Brazilian government will have to evaluate the cost of implementing the NBSAP and where finance will come from.”

Brazil’s plans for agriculture include ‘sustainable intensification’

Brazil is one of the world’s leading food producers, meeting 10% of global demand, according to its NBSAP.

It is also the world’s largest grower of soya beans and the second-largest cattle producer.

However, agriculture is also a major driver of biodiversity loss in Brazil, largely due to the clearing of rainforest or other lands for soya growing and cattle ranching. Agriculture itself is also affected by biodiversity loss, particularly the loss of pollinators. The NBSAP says:

“Biodiversity loss directly undermines agricultural production and human well-being, demonstrating that agriculture, other productive activities and biodiversity conservation are interdependent rather than antagonistic.”

Brazil’s NBSAP addresses sustainable agriculture in target 10A, which aims to “ensure that, by 2030, areas under agriculture, livestock, aquaculture and forestry are managed sustainably and integrated into the landscape”.

It lists several approaches to achieving sustainable production, including agroecology, regenerative agriculture and sustainable intensification.

Targets seven and 10B also pertain to food systems. Target seven seeks to reduce the impacts of pollution, including nutrient loss and pesticides, on biodiversity, while target 10B commits to the sustainable fishing and harvesting of other aquatic resources.

In 2021, Brazil launched its national low-carbon agriculture strategy, known as the ABC+ plan. The plan promotes sustainability in the agricultural sector through both adaptation and mitigation actions. 

Brazil conducted a largest-of-its-kind consultation process before releasing its NBSAP

Brazil was among the majority of nations to miss the UN deadline to submit a new NBSAP before the COP16 biodiversity summit in Colombia in October 2024.

At the time, a representative from the Brazilian government said that it was unable to meet the deadline because it was embarking on an ambitious consultation process for its NBSAP.

Braulio Dias, director of biodiversity conservation at the Brazilian Ministry of Environment, who is responsible for the NBSAP process, told Carbon Brief and the Guardian in 2024:

“Brazil is a huge country with the largest share of biodiversity [and] a large population with a complex governance. We are a federation with 26 states and 5,570 municipalities. We started the process to update our NBSAP in May last year and have managed to conclude a broad consultation process involving over a thousand people in face-to-face meetings.

“We are in the process of consolidating all proposals received, consulting all the departments of the Brazilian Ministry of the Environment and Climate Change, all the federal ministries and agencies engaged in the biodiversity agenda and the National Biodiversity Committee, before we can have a high-level political endorsement.

“Then we still have to build a monitoring strategy, a finance strategy and a communication strategy. We will only conclude this process toward the end of the year or early next year.”

In its NBSAP, the Brazilian government says it engaged with around 200 scientific and civil society organisations and 110 Indigenous representatives while preparing its NBSAP.

Around one-third of the Amazon is protected by Indigenous territories.

Indigenous peoples in Brazil have continuously called for more inclusion in UN processes to tackle climate change and nature loss, including by holding multiple demonstrations during the COP30 climate summit in November.

Michel Santos, public policy manager at WWF Brazil, says that many in Brazil’s civil society were pleased with the NBSAP’s extensive consultation process, telling Carbon Brief:

“Brazilian civil society is very happy with everything. It was a long process with broad participation. It took a while to be completed, but we consider the result quite satisfactory.”

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Experts: What to expect from China on energy and climate action in 2026

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The year ahead in 2026 is an important period for China’s climate policy, amid hints that its emissions could peak and as the government publishes targets for the next five years.

Analysis for Carbon Brief shows the country’s emissions have been “flat or falling” for more than 18 months, but the timing of a peak remains uncertain.

In March 2026, the government is expected to publish a series of energy and climate targets for 2030 as part of its 15th five-year plan.

These targets could boost – or moderate – the pace of its energy transition.

A number of policy mechanisms that are already due to fully come into effect this year – such as non-binding total emissions targets and the expansion of carbon market coverage to more sectors – could also help decarbonise the country’s economy.

Meanwhile, the rise in extreme weather events intensified by human-caused climate change makes adaptation as important as ever, while also adding to the challenge of advancing clean energy.

Finally, as the US turns even further away from climate action and towards fossil-fuel expansion in 2026 – notably with Venezuelan oil – China’s climate diplomacy could send a strong signal for sustained global climate action.

Carbon Brief asked 11 leading experts on China what energy and climate developments they are watching for in 2026. Their responses have been edited for length and clarity.

Shuo LiShuo Li


Director of the China Climate Hub, Asia Society Policy Institute

After decades of the rapid growth that made China the world’s largest greenhouse gas emitter, independent analyses suggest China’s CO2 emissions may have plateaued or even begun to decline in 2025.

Strong growth in renewable power has, for the first time outside economic contraction, outpaced rising electricity demand, pushing power-sector emissions down and contributing to an overall modest drop in total carbon dioxide (CO2) emissions. This latest trend was picked up by China’s National Development and Reform Commission (NDRC), as something that should continue over the next five years, marking an official nod to a peak in energy-related CO2 emissions years ahead of the 2030 timeline Beijing previously set.

The transition from emissions growth to stabilisation and early decline will be the key watch point for 2026 and will be shaped by the forthcoming 15th five-year plan. [This plan will set key economic goals, including energy and climate targets, for 2030.] Early policy signals suggest that the plan will introduce more explicit controls on total emissions alongside China’s traditional reliance on intensity-based targets.

However, the precise timing, scale and enforceability of these absolute emissions control measures remain under active debate. Chinese experts broadly agree that if the 2021-2025 period was characterised by continued emissions growth, and 2031-2035 is expected to deliver a clear decline, then 2026-2030 will serve as a critical “bridge” between the two.

The central questions are what this transitional period will look like in practice, how it will lay the groundwork for a sustained and timely emissions decline and whether meaningful reductions can be achieved before the end of the decade.

Xinyi ShenXinyi Shen


China team lead and researcher, Centre for Research on Energy and Clean Air

In 2026, I’ll be closely watching whether China moves beyond high-level industrial decarbonisation targets and begins to address the domestic, structural constraints that have slowed progress so far. 

In heavy industry, particularly steel, the main barriers are not technological readiness, but persistent blast furnace overcapacity and the lack of clear economic incentives for low-carbon production pathways, which continue to lock in emissions-intensive assets. 

Against this backdrop, carbon-related trade measures, such as the EU’s carbon border adjustment mechanism (CBAM), will make 2026 an important test of how China balances export competitiveness with climate commitments. In addition, we will see whether growing international scrutiny accelerates more substantive demand-side and policy reform in industry, rather than prolonging a reliance on incremental efficiency gains.

Min HuMin Hu


Director and co-founder, Institute for Global Decarbonization Progress

Of course, I’ll be tracking all the critical energy and climate targets under the 15th five-year plan.

More importantly, I’m watching whether a coherent package of measures can truly take hold to unlock green electricity on the demand side – not just expand renewable capacity – and translate policy intent into a genuine market pull for renewable electricity, especially from the manufacturing sector.

Given the challenge of balancing rapidly growing electricity demand with the pace of grid decarbonisation, progress on this front will be decisive for the long-term trajectory of emissions.

I’m also watching how provincial and municipal governments translate the dual-carbon goals into concrete targets and sectoral implementation. Subnational action – through overarching dual-carbon plans and sector-specific measures – will be fundamental to achieving national objectives. It will be critical to ensure that the subnational momentum around zero-emission industrial parks and clean-tech manufacturing competition results in measurable, additional emissions reductions.

Biqing YangBiqing Yang


Energy Analyst for Asia, Ember

2026 marks the first year of China’s 15th five-year plan, the planning cycle that ends with China’s target year of 2030 for carbon peaking. China’s fossil-fuel use in power generation is seeing an early sign of peaking and the upcoming years will be crucial in driving the plateau into an absolute decline.

As renewables expand, system flexibility and stability will increasingly become the priorities. By 2027, China aims to retrofit its existing coal-power fleet “as much as possible” and deploy more than 180 gigawatts (GW) of battery energy storage. Development in coal retrofit and further policies to support battery development will both be important to watch in 2026. 

On the other hand, maximising flexibility potential will rely on continued reforms in the power market and system operations, following the milestone year of 2025, which saw substantial policy development in China’s ambition to establish a unified national power market.

Yan QinYan Qin


Principal analyst, ClearBlue Markets

In 2026, I am monitoring three pivotal developments in China.

First, the 15th five-year plan inaugurates the “dual control of carbon” system. This year marks the first time industries and local governments face binding caps on total emissions, not just intensity. Watching how these national constraints cascade down to the local level will be critical.

Second, the national carbon market is aggressively tightening. With the inclusion of steel, cement and aluminum this year, regulators are executing a “market reset” – de-weighting older [emissions] allowances and enforcing stricter benchmarks to bolster prices ahead of the EU CBAM’s full rollout.

Finally, expect a surge in zero-carbon industrial parks. Following the NDRC’s announcement of 52 pilot sites, new guidelines now mandate 60% on-site renewable consumption. These “green microgrids” are becoming the primary vehicle for reducing grid reliance and certifying low-carbon exports.

Xiaopu SunXiaopu Sun


Senior China counsel, Institute for Governance and Sustainable Development

2026 marks China’s first year of advancing a comprehensive shift from “dual control” of energy consumption to “dual control” of carbon emissions. At the policy level, it will be essential to track how this transition strengthens the governance architecture for controlling non-CO2 greenhouse gases (GHGs), particularly methane.

Key developments to watch for may include efforts to strengthen measurement, monitoring, reporting and verification (MRV) systems that enable facility- and company-level accountability.

It will also be essential to monitor progress on the voluntary GHG emission trading scheme, and the extent to which methane and other non-CO2 GHG controls are embedded in broader policy frameworks, including the environmental impact assessment system.

Finally, it will be critical to understand how non-CO2 GHG data collection and management requirements are incorporated into industry policy developments, including those addressing supply chains and product carbon-footprint initiatives.

Tu LeTu Le


Managing director, Sino Auto Insights

China’s electric vehicle (EV) industry has been the primary force pushing the global passenger vehicle market toward clean energy. Its domestic market has already crossed a more than 50% new-energy vehicle (NEV) retail take rate, while exports surged 86% year-on-year to around 2.4m units [in 2025]. That momentum should continue – especially as US legacy automakers pull back from EV investment in 2026.

As China’s domestic demand cools this year, export pressure will intensify. But a growing headwind has emerged: tariffs. Mexico, Brazil, Europe and the US are just a few of the countries raising barriers, complicating the next phase of global NEV expansion.

At the same time, 2026 looks like a prove-it year for next-generation battery technologies. Longer life, lower volatility and new chemistries could unlock more range, broader use cases and wider adoption – including in tougher markets like the US.

One new wildcard: the US now effectively controls Venezuelan oil. If that meaningfully impacts global oil prices, it could either slow – or unexpectedly accelerate – the shift toward clean-energy vehicles.

Yingjie ChenYingjie Chen


Climate and energy program manager, Greenovation Hub

In 2026, a key focus will be how China translates its 2035 “climate-adaptive society” goal into inclusive action. Finance for adaptation is a critical enabler, requiring both policy guidance and scalable financing models. As climate risks increase, financing resilience in sectors such as energy, transportation, infrastructure and public health is paramount. While China’s green finance taxonomy already includes some climate-adaptive activities, clear labeling and expanded coverage are important next steps.

Additionally, the global goal on adaptation (GGA) indicators can help measure project impact and inform policy. We have observed good practices already in motion, such as integrating meteorological technology with finance to enhance agricultural resilience.

Looking forward, expanding these innovative models to other sectors and regions is a key step, as these pilots can enhance policymaking and be replicated. In this process, identifying and managing risks for vulnerable groups, such as women and children, in public health and education is essential for an inclusive transition.

Prof Scott MooreProf Scott Moore


Practice professor of political science and director of China Programs and Strategic Initiatives, University of Pennsylvania

First and foremost, I’ll be looking for details on climate and energy targets in China’s next five-year plan cycle, which we expect to be approved as usual in March. This will essentially operationalise China’s recent nationally determined contribution and its longstanding commitment to peak emissions before 2030.

It will also give us a sign of the tempo we can expect for non-fossil energy capacity growth and whether China will be aiming for the high end of its stated emissions-reduction range. One area I’m especially focused on is the promised expansion of China’s emissions trading system.

Second, given my particular interest in and focus on geopolitics, I’m looking for signs of how the geopolitical disruption we’ve seen in Venezuela, Iran and other regions might affect China’s energy policy – in particular, in terms of long-term contracts for liquified natural gas

Finally, I’m looking for signs of changes to China’s climate diplomacy following the US withdrawal from both the Paris Agreement and United Nations Framework Convention on Climate Change. This leaves a big hole in global climate governance and many countries will be looking increasingly to China for leadership – and funding – in this area.

Cecilia TrasiCecilia Trasi


Senior policy advisor for industry and trade, ECCO

China’s solar manufacturing overcapacity is prompting Beijing’s first serious consolidation efforts. The government is introducing stricter licensing requirements and tighter energy-consumption caps for polysilicon facilities, while export-tax rebates for solar products will be abolished.

At the same time, China’s offshore wind technology is advancing rapidly. In early 2026, China installed the world’s first 20 megawatt (MW) offshore wind turbine and plans mass production of 50MW dual-rotor designs, with deployment expected from 2027-2028. MingYang’s £1.5bn announced investment in Scotland signals that Chinese wind companies are pursuing entry into European markets through local production, mirroring strategies adopted by battery manufacturers.

Together, these dynamics suggest that the next phase of cleantech competition will be shaped less by trade defense alone and more by the interaction between Chinese supply-side reforms and global market-absorption capacity.

Meanwhile, following a first wave of rare-earth restrictions in April 2025, Beijing announced controls in October that extended licensing requirements to additional rare earths and introduced unprecedented extraterritorial provisions. While China suspended the October controls for one year, the April controls on seven heavy rare earths remain fully operational.

This creates persistent procurement risk for European cleantech supply chains reliant on Chinese-processed rare earths, although China has begun issuing general export licenses, providing some operational predictability.

Yixian SunYixian Sun


Senior lecturer in international development, University of Bath

The biggest question is obviously the emission peak, because it’s essential to confirm if China’s carbon and greenhouse gas emissions are actually flattening or even falling. I really hope China has already reached its peak and the net-zero transition is underway.

Another important area is the evolution of China’s cleantech industries, which have become a new pillar of the country’s economy in recent years. In 2026, it is critical to see if this momentum can be sustained in China.

Given fierce competition and the gradual saturation of the domestic market, I’m also watching how Chinese cleantech companies expand their global footprint through investments in overseas manufacturing, especially as a growing number of countries want Chinese investors to create more “green jobs” and transfer cutting-edge technologies.

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