The amount of foreign aid the UK spends on climate action reached a record high of around £3bn last year, according to government figures obtained by Carbon Brief.
However, Carbon Brief analysis shows that more than £500m of this sum comes from controversial changes in the way the UK calculates its climate aid for developing countries.
By leaning on private-sector investment and including existing aid projects in the total, the government is able to inflate its figures without providing as much new climate funding.
Including this money puts the UK on track for its five-year goal of providing £11.6bn by 2026 to support climate action in developing countries, even as it cuts the overall aid budget.
Climate aid – which is often referred to as “international climate finance” (ICF) – will likely still need to rise above £3bn in 2025, if the UK is to achieve its target over the next year.
The new data, released to Carbon Brief via freedom-of-information (FOI) requests, covers provisional 2024-25 spending across the three major government departments that fund climate projects overseas.
This analysis is the latest in a series of articles by Carbon Brief documenting the UK’s ICF contributions since 2011.
Key findings from the most recent year include:
- By far the largest payment last year was a £482.3m contribution to boost British International Investment’s (BII) private-sector interests in developing countries.
- Ethiopia was the largest recipient of bilateral climate finance (£92.3m). Other major recipients include Pakistan (£55.8m), Afghanistan (£43.7m) and Sudan (£41.1m).
- The biggest single project to receive funding was a World Bank initiative helping developing countries to sell carbon offsets, which received £153.9m.
- Large portions of climate finance also went to the Green Climate Fund (£227m) and the Global Environment Facility (£64.8m).
- Without the government’s changes, which mimic the looser accounting used by some other countries, climate finance would have needed to increase 78% this year. With the changes, climate finance only has to increase by 2%.
- Around £1.3bn – nearly a sixth of the UK’s ICF over the past four years – can be linked to the government’s accounting changes.
Target achieved?
After it was elected last year, Labour confirmed that it would honour the previous government’s pledge to provide £11.6bn of climate finance over the five-year period ending in 2025-26.
This money is the UK’s contribution, under the Paris Agreement, to help developing countries cut emissions and protect themselves from the threat of climate change.
Since the goal was first announced in 2019, experts have regularly voiced doubts that it can be achieved due to major cuts to the foreign-aid budget by successive governments.
More uncertainty followed the announcement in February that the Labour government would cut aid further – from 0.5% of gross national income to 0.3% – ostensibly to fund defence spending. (The government insisted that the remaining aid would “prioritise” climate.)
Despite these changes and uncertainty, the figures provided to Carbon Brief via FOI reveal that the UK is, in fact, on track to meet its £11.6bn target.
Climate-finance spending reached a record high of just under £3bn in the financial year 2024-25, more than £700m higher than the previous year.
(Note that these figures are “provisional” and subject to revision. Due to methodology changes, the final figures for UK climate finance in 2023-24 were much higher than those provided to Carbon Brief via a previous FOI. See the Methodology for more details.)
Assuming the provisional figures for 2024-25 are accurate, the UK would still need to raise its climate finance to £3.1bn in 2025-26 in order to meet the £11.6bn target, as shown in the figure below.
This level of climate finance would need to be maintained, even as the government scales back its overall aid budget in 2025.
When asked at a recent committee hearing whether there would be any new money for the £11.6bn goal, international development minister Baroness Chapman spoke frankly:
“I think the search for new money at the moment is going to be pretty fruitless…Is there going to be any new money for climate in a world where we have just gone from 0.5% to 0.3%? I think you can probably work that out.”
Instead of new funding, the upward trajectory of climate aid has been largely driven by the UK expanding what it counts towards the total. These changes were initially made under the Conservatives, but Labour has retained them.
By relabelling existing funding for multilateral development banks (MDBs), humanitarian aid and private-sector investments via BII as “climate finance”, the UK has inflated the figures without allocating genuinely new funds, making the £11.6bn goal easier to achieve.
Based on data acquired through successive FOIs, Carbon Brief estimates that £528m, or 18% of climate finance provided in 2024-25, can be linked to these accounting changes.
Since 2021, the running total of climate finance resulting from these changes is more than £1.3bn, Carbon Brief analysis suggests, amounting to nearly a sixth of spending to date.
Experts have pointed out that this amounts to a real-world cut in climate aid, as it means less additional funding than was originally pledged.
Without the accounting changes, UK climate finance would only have reached around £2.5bn last year, as the chart below shows.
To achieve the £11.6bn goal from this position, climate finance would have needed to increase by 78% this year, nearly doubling from a year earlier. In comparison, the accounting changes mean it only has to increase by 2%.
The government says that its accounting changes merely brought it in line with other countries. A Foreign, Commonwealth and Development Office (FCDO) spokesperson tells Carbon Brief:
“We will continue to account for all of our international climate finance using internationally agreed OECD guidelines. Meeting our £11.6bn commitment by March 2026 remains our ambition and it is only right that we accurately reflect the funding going to support this aim.”
In response, NGOs and aid experts have argued the UK should have retained its former position as a leader in climate-finance accounting standards, rather than aligning with the looser methodologies used by many others, such as Germany and France.
Moreover, the £11.6bn goal was meant to be a doubling of the government’s previous £5.8bn target, which was based on the original accounting methodology. If the previous target had also been based on a broader definition of climate aid, then the current £11.6bn target would have needed to be higher to represent a doubling.
As the UK nears the end of its third five-year ICF target, it is expected to announce another goal covering the period 2026-27 onwards. This will feed into the $300bn global climate finance target that nations agreed at the COP29 climate summit last year.
Amid the aid cuts, climate NGOs say that the accounting changes should be reversed and the UK should turn to “polluter-pays” measures to generate the required public funds. Catherine Pettengell, executive director of Climate Action Network UK, tells Carbon Brief:
“Our main concern is that we now have the spending review, but there is still no clarity – or vision – on current or future climate finance from the UK.”
Big investments
The UK is now leaning heavily on private-sector investments to achieve its climate-finance goals, according to Carbon Brief’s analysis.
By far the largest climate-finance input last year was a £482m contribution to the UK’s development finance institution, BII.
This is the biggest climate-finance contribution the UK has ever made in a single year, according to the data that Carbon Brief has collected in recent years.
It also amounted to nearly a fifth of the total climate finance last year and almost three times more than the UK has ever channelled into BII before.
BII is a publicly owned, for-profit company that largely supports itself with its £7.3bn portfolio of investments in developing countries, but it also receives regular injections of aid money.
The surge in BII climate finance last year can be attributed to two things.
First, the government now counts more of its BII investments as climate finance than it did previously, following the accounting changes. It argues that this more accurately reflects BII’s expanding focus on investing in clean-energy projects overseas.
The government also decided to invest an extra £400m – largely from underspending on housing asylum seekers in the UK – into BII, bringing its total budget for the year up to £881m.
Prior to these changes, the government expected BII climate finance to be worth £126m in 2024-25, according to forecasts previously obtained by Carbon Brief.
It has, therefore, added an extra £356m to BII’s contribution. Carbon Brief estimates that £218m of this can be attributed to the accounting changes, rather than the increase in funding. (See: Methodology.)
Critics argue that BII, which focuses on loans and equity finance rather than grants, is not capable of supporting climate action in the poorest and most climate-vulnerable nations. (Separately, it has also been criticised for continuing to support fossil-fuel developments.)
Last week’s spending review provided the FCDO with at least £300m annually out to 2029-30 for BII and similar organisations, even as billions are cut from its aid budget. In this context, Ian Mitchell, a senior policy fellow at the Center for Global Development, tells Carbon Brief:
“BII looks set to become the government’s main climate-finance vehicle. Though, whether this is compatible with its historic focus on Africa and the poorest countries remains to be seen.”
Meanwhile, the biggest single project to receive funding from the UK last year was the World Bank initiative titled: “Scaling Climate Action by Lowering Emissions (SCALE).” The government provided it with an initial contribution of £154m.
SCALE aims to help around 20 countries generate carbon credits that can be sold by companies on the voluntary offset market or internationally via Article 6 carbon markets.
According to the UK government, one aim is to “maximise the mobilisation of additional finance through the sale of carbon credits”.
Selling carbon offsets has long been touted as a way to channel climate finance into developing countries, but the practice has faced intense scrutiny and accusations of “greenwashing” in recent years.
Accounting changes
Other large portions of funding in the UK’s 2024-25 climate-finance budget can also be attributed to changes in the government’s accounting methodology.
For example, as of 2023, the UK started counting portions of its “core” payments into MDBs as climate finance, significantly inflating its climate-aid total.
This money is used by the banks to issue loans and – to a lesser extent – grants for projects in developing countries. While many of these projects will be climate-related, relabelling some of the UK’s contributions as “climate finance” does not result in any additional funds being distributed.
In 2024-25, this relabelling accounted for at least £103m of the total climate finance, including £84m for the African Development Bank (AfDB), £11m for the Asian Development Bank (ADB) and £8m for the Caribbean Development Bank (CDB) Special Development Fund.
In terms of bilateral aid from the UK, several of the projects with the largest share of climate finance last year were in nations facing war, famine and natural disasters.
This can partly be attributed to accounting changes that mean 30% of all humanitarian funding in the most climate-vulnerable countries – including Afghanistan, Sudan and Somalia – is now automatically counted as climate finance within government accounting.
Some of these nations have, therefore, risen to be top recipients of bilateral “climate aid” from the UK – as shown in the figure below – through programmes such as Sudan Humanitarian Preparedness and Response.
(Such programmes tend to involve the UK supporting NGOs rather than providing funds to governments. For example, FCDO has two “flagship” humanitarian programmes in Afghanistan – both with an ICF component – but does not provide funds to the Taliban.)
This accounting change was viewed by the previous Conservative government as a way to avoid a “trade-off” between climate and humanitarian projects, amid aid budget cuts.
As the map above shows, Ethiopia remained the largest recipient of UK climate finance via single-country projects last year, with £92.3m in total. This has been the case for more than a decade.
The finance largely comes from two programmes, which aim to improve climate resilience in regions of Ethiopia that have been afflicted by drought and flooding. The country has faced years of regional conflicts that have been exacerbated by climate shocks.
Rather than directly supporting individual projects in individual countries, most UK climate finance is distributed to international bodies and initiatives that serve many countries.
Some of the biggest payments are to well-established international grant providers. These include £227m for the Green Climate Fund, £64m for the Global Environment Facility and £26m for the Global Biodiversity Framework Fund (GBFF).
Other large payments went to long-running initiatives to help “build financial markets and institutions” in Africa and “mobilise private investment in infrastructure” in developing countries.
Methodology
This analysis is the latest part of Carbon Brief’s efforts to assess the UK’s ICF contributions by financial year. Detailed data underpinning these contributions is not released publicly, but is required to track progress towards the UK’s ICF targets.
Total ICF figures for the years 2011-12 to 2023-24 are based on summary public statements made by the government. Ministers have quoted different figures on different occasions, but Carbon Brief is using a March statement from FCDO minister Stephen Doughty for the 2011-12 to 2023-24 period, as this is understood to be the most up-to-date.
The figures for 2024-25 are based on FOI responses from the three major departments responsible for the UK’s overseas climate-related aid projects: FCDO, the Department for Energy Security and Net Zero (DESNZ) and the Department for Environment Food and Rural Affairs (Defra). Around 80% of climate finance provided by the UK is overseen by the FCDO.
All three of these departments provided the data for 2024-25, stressing that it is provisional. This means it is “subject to year-end accounting and audit adjustments, which are still being processed”. Carbon Brief also received the final (i.e. non-provisional) figures for 2023-24, having been given the provisional figures last year.
(The provisional figures released to Carbon Brief in 2023-24 last year were significantly lower than the final figures – amounting to £1.8bn rather than £2.3bn. This is almost entirely due to the provisional data not factoring in most of the accounting methodology changes described in this article. The provisional figures for 2024-25 appear to have factored in these methodology changes already.)
The Department for Science, Innovation and Technology (DSIT) also oversees a small number of ICF projects overseas. Unlike the other departments, DSIT rejected Carbon Brief’s FOI requests. Carbon Brief understands that its projects were worth £42m in 2023-24, roughly 1% of the total. For the sake of this analysis, Carbon Brief assumes that this amount remained the same in 2024-25.
Carbon Brief relied on previous FOI results to calculate how much of the UK’s climate finance derives from accounting changes in recent years:
- BII: According to an internal document, under its old methodology, the government originally forecast 30% of BII core capital to be climate finance in 2024-25, amounting to £126m. The final figure provided to Carbon Brief, which is also based on a higher core capital figure, is £482m. If the government had counted 30% of the higher core capital contribution as ICF, under its old methodology, the total would be £264.3. This suggests the remaining £218m of the £482m could be attributed to the methodology changes.
- MDBs: The FOI results provided to Carbon Brief show contributions to the AfDB, ADB and CDB amounting to £103m.
- Humanitarian projects: Carbon Brief has used the estimates from an internal document showing how much climate finance the government expects humanitarian aid projects to provide, including £69m in 2024-25. This may be an underestimate, as some of the projects listed in this document have higher ICF totals in the new FOI data released to Carbon Brief.
- “Scrubbed” projects: The government also asked civil servants to reappraise the existing aid portfolio in order to identify any extra ICF that could be counted. Carbon Brief has obtained an incomplete list of these projects, which states that £138m was added to the 2024-25 total in this way.
Together, these changes add up to £528m. The actual figure may be higher, as these are provisional figures.
Carbon Brief’s estimate of the cumulative impact of the accounting changes by 2024-25 – some £1.3bn – aligns with an estimate of £1.72bn for the entire five-year period out to 2025-26, made by the Independent Commission for Aid Impact (ICAI). The final figure may be higher, as ICAI’s calculation was based on government documents that did not, for example, include the increased capital contribution to BII in 2024-25.
The post Analysis: UK climate aid to hit £11.6bn goal – but only due to accounting rule change appeared first on Carbon Brief.
Analysis: UK climate aid to hit £11.6bn goal – but only due to accounting rule change
Greenhouse Gases
DeBriefed 15 August 2025: Raging wildfires; Xi’s priorities; Factchecking the Trump climate report
Welcome to Carbon Brief’s DeBriefed.
An essential guide to the week’s key developments relating to climate change.
This week
Blazing heat hits Europe
FANNING THE FLAMES: Wildfires “fanned by a heatwave and strong winds” caused havoc across southern Europe, Reuters reported. It added: “Fire has affected nearly 440,000 hectares (1,700 square miles) in the eurozone so far in 2025, double the average for the same period of the year since 2006.” Extreme heat is “breaking temperature records across Europe”, the Guardian said, with several countries reporting readings of around 40C.
HUMAN TOLL: At least three people have died in the wildfires erupting across Spain, Turkey and Albania, France24 said, adding that the fires have “displaced thousands in Greece and Albania”. Le Monde reported that a child in Italy “died of heatstroke”, while thousands were evacuated from Spain and firefighters “battled three large wildfires” in Portugal.
UK WILDFIRE RISK: The UK saw temperatures as high as 33.4C this week as England “entered its fourth heatwave”, BBC News said. The high heat is causing “nationally significant” water shortfalls, it added, “hitting farms, damaging wildlife and increasing wildfires”. The Daily Mirror noted that these conditions “could last until mid-autumn”. Scientists warn the UK faces possible “firewaves” due to climate change, BBC News also reported.
Around the world
- GRID PRESSURES: Iraq suffered a “near nationwide blackout” as elevated power demand – due to extreme temperatures of around 50C – triggered a transmission line failure, Bloomberg reported.
- ‘DIRE’ DOWN UNDER: The Australian government is keeping a climate risk assessment that contains “dire” implications for the continent “under wraps”, the Australian Financial Review said.
- EXTREME RAINFALL: Mexico City is “seeing one of its heaviest rainy seasons in years”, the Washington Post said. Downpours in the Japanese island of Kyushu “caused flooding and mudslides”, according to Politico. In Kashmir, flash floods killed 56 and left “scores missing”, the Associated Press said.
- SOUTH-SOUTH COOPERATION: China and Brazil agreed to “ensure the success” of COP30 in a recent phone call, Chinese state news agency Xinhua reported.
- PLASTIC ‘DEADLOCK’: Talks on a plastic pollution treaty have failed again at a summit in Geneva, according to the Guardian, with countries “deadlocked” on whether it should include “curbs on production and toxic chemicals”.
15
The number of times by which the most ethnically-diverse areas in England are more likely to experience extreme heat than its “least diverse” areas, according to new analysis by Carbon Brief.
Latest climate research
- As many as 13 minerals critical for low-carbon energy may face shortages under 2C pathways | Nature Climate Change
- A “scoping review” examined the impact of climate change on poor sexual and reproductive health and rights in sub-Saharan Africa | PLOS One
- A UK university cut the carbon footprint of its weekly canteen menu by 31% “without students noticing” | Nature Food
(For more, see Carbon Brief’s in-depth daily summaries of the top climate news stories on Monday, Tuesday, Wednesday, Thursday and Friday.)
Captured
Factchecking Trump’s climate report
A report commissioned by the US government to justify rolling back climate regulations contains “at least 100 false or misleading statements”, according to a Carbon Brief factcheck involving dozens of leading climate scientists. The report, compiled in two months by five hand-picked researchers, inaccurately claims that “CO2-induced warming might be less damaging economically than commonly believed” and misleadingly states that “excessively aggressive [emissions] mitigation policies could prove more detrimental than beneficial”80
Spotlight
Does Xi Jinping care about climate change?
This week, Carbon Brief unpacks new research on Chinese president Xi Jinping’s policy priorities.
On this day in 2005, Xi Jinping, a local official in eastern China, made an unplanned speech when touring a small village – a rare occurrence in China’s highly-choreographed political culture.
In it, he observed that “lucid waters and lush mountains are mountains of silver and gold” – that is, the environment cannot be sacrificed for the sake of growth.
(The full text of the speech is not available, although Xi discussed the concept in a brief newspaper column – see below – a few days later.)
In a time where most government officials were laser-focused on delivering economic growth, this message was highly unusual.
Forward-thinking on environment
As a local official in the early 2000s, Xi endorsed the concept of “green GDP”, which integrates the value of natural resources and the environment into GDP calculations.
He also penned a regular newspaper column, 22 of which discussed environmental protection – although “climate change” was never mentioned.
This focus carried over to China’s national agenda when Xi became president.
New research from the Asia Society Policy Institute tracked policies in which Xi is reported by state media to have “personally” taken action.
It found that environmental protection is one of six topics in which he is often said to have directly steered policymaking.
Such policies include guidelines to build a “Beautiful China”, the creation of an environmental protection inspection team and the “three-north shelterbelt” afforestation programme.
“It’s important to know what Xi’s priorities are because the top leader wields outsized influence in the Chinese political system,” Neil Thomas, Asia Society Policy Institute fellow and report co-author, told Carbon Brief.
Local policymakers are “more likely” to invest resources in addressing policies they know have Xi’s attention, to increase their chances for promotion, he added.
What about climate and energy?
However, the research noted, climate and energy policies have not been publicised as bearing Xi’s personal touch.
“I think Xi prioritises environmental protection more than climate change because reducing pollution is an issue of social stability,” Thomas said, noting that “smoggy skies and polluted rivers” were more visible and more likely to trigger civil society pushback than gradual temperature increases.
The paper also said topics might not be linked to Xi personally when they are “too technical” or “politically sensitive”.
For example, Xi’s landmark decision for China to achieve carbon neutrality by 2060 is widely reported as having only been made after climate modelling – facilitated by former climate envoy Xie Zhenhua – showed that this goal was achievable.
Prior to this, Xi had never spoken publicly about carbon neutrality.
Prof Alex Wang, a University of California, Los Angeles professor of law not involved in the research, noted that emphasising Xi’s personal attention may signal “top” political priorities, but not necessarily Xi’s “personal interests”.
By not emphasising climate, he said, Xi may be trying to avoid “pushing the system to overprioritise climate to the exclusion of the other priorities”.
There are other ways to know where climate ranks on the policy agenda, Thomas noted:
“Climate watchers should look at what Xi says, what Xi does and what policies Xi authorises in the name of the ‘central committee’. Is Xi talking more about climate? Is Xi establishing institutions and convening meetings that focus on climate? Is climate becoming a more prominent theme in top-level documents?”
Watch, read, listen
TRUMP EFFECT: The Columbia Energy Exchange podcast examined how pressure from US tariffs could affect India’s clean energy transition.
NAMIBIAN ‘DESTRUCTION’: The National Observer investigated the failure to address “human rights abuses and environmental destruction” claims against a Canadian oil company in Namibia.
‘RED AI’: The Network for the Digital Economy and the Environment studied the state of current research on “Red AI”, or the “negative environmental implications of AI”.
Coming up
- 17 August: Bolivian general elections
- 18-29 August: Preparatory talks on the entry into force of the “High Seas Treaty”, New York
- 18-22 August: Y20 Summit, Johannesburg
- 21 August: Advancing the “Africa clean air programme” through Africa-Asia collaboration, Yokohama
Pick of the jobs
- Lancaster Environment Centre, senior research associate: JUST Centre | Salary: £39,355-£45,413. Location: Lancaster, UK
- Environmental Justice Foundation, communications and media officer, Francophone Africa | Salary: XOF600,000-XOF800,000. Location: Dakar, Senegal
- Politico, energy & climate editor | Salary: Unknown. Location: Brussels, Belgium
- EnviroCatalysts, meteorologist | Salary: Unknown. Location: New Delhi, India
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 15 August 2025: Raging wildfires; Xi’s priorities; Factchecking the Trump climate report appeared first on Carbon Brief.
DeBriefed 15 August 2025: Raging wildfires; Xi’s priorities; Factchecking the Trump climate report
Greenhouse Gases
Cropped 13 August 2025: Fossil-fuelled bird decline; ‘Deadly’ wildfires; Empty nature fund
We handpick and explain the most important stories at the intersection of climate, land, food and nature over the past fortnight.
This is an online version of Carbon Brief’s fortnightly Cropped email newsletter. Subscribe for free here.
Key developments
‘Deadly’ wildfires
WINE BRAKE: France experienced its “largest wildfire in decades”, which scorched more than 16,000 hectares in the country’s southern Aude region, the Associated Press said. “Gusting winds” fanned the flames, Reuters reported, but local winemakers and mayors also “blam[ed] the loss of vineyards”, which can act as a “natural, moisture-filled brake against wildfires”, for the fire’s rapid spread. It added that thousands of hectares of vineyards were removed in Aude over the past year. Meanwhile, thousands of people were evacuated from “deadly” wildfires in Spain, the Guardian said, with blazes ongoing in other parts of Europe.
MAJOR FIRES: Canada is experiencing its second-worst wildfire season on record, CBC News reported. More than 7.3m hectares burned in 2025, “more than double the 10-year average for this time of year”, the broadcaster said. The past three fire seasons were “among the 10 worst on record”, CBC News added. Dr Mike Flannigan from Thompson Rivers University told the Guardian: “This is our new reality…The warmer it gets, the more fires we see.” Elsewhere, the UK is experiencing a record year for wildfires, with more than 40,000 hectares of land burned so far in 2025, according to Carbon Brief.
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Sign up to Carbon Brief’s free “Cropped” email newsletter. A fortnightly digest of food, land and nature news and views. Sent to your inbox every other Wednesday.
WESTERN US: The US state of Colorado has recorded one of its largest wildfires in history in recent days, the Guardian said. The fire “charred” more than 43,300 hectares of land and led to the temporary evacuation of 179 inmates from a prison, the newspaper said. In California, a fire broke out “during a heatwave” and burned more than 2,000 hectares before it was contained, the Los Angeles Times reported. BBC News noted: “Wildfires have become more frequent in California, with experts citing climate change as a key factor. Hotter, drier conditions have made fire seasons longer and more destructive.”
FIRE FUNDING: “Worsening fires” in the Brazilian Amazon threaten new rainforest funding proposals due to be announced at the COP30 climate summit later this year, experts told Climate Home News. The new initiatives include the Tropical Forests Forever Facility, which the outlet said “aims to generate a flow of international investment to pay countries annually in proportion to their preserved tropical forests”. The outlet added: “If fires in the Amazon continue to worsen in the years to come, eligibility for funding could be jeopardised, Brazil’s environment ministry acknowledged.”
Farming impacts
OUT OF ORBIT: US president Donald Trump moved to “shut down” two space missions which monitor carbon dioxide and plant health, the Associated Press reported. Ending these NASA missions would “potentially shu[t] off an important source of data for scientists, policymakers and farmers”, the outlet said. Dr David Crisp, a retired NASA scientist, said the missions can detect the “glow” of plant growth, which the outlet noted “helps monitor drought and predict food shortages that can lead to civil unrest and famine”.
FARM EXTREMES: Elsewhere, Reuters said that some farmers are considering “abandoning” a “drought-hit” agricultural area in Hungary as “climate change cuts crop yields and reduces groundwater levels”. Scientists warned that rising temperatures and low rainfall threaten the region’s “agricultural viability”, the newswire added. Meanwhile, the Premium Times in Nigeria said that some farmers are “harvest[ing] crops prematurely” due to flooding fears. A community in the south-eastern state of Imo “has endured recurrent floods, which wash away crops and incomes alike” over the past decade, the newspaper noted.
SECURITY RISKS: Food supply chains in the UK face “escalating threats from climate impacts and the migration they are triggering”, according to a report covered by Business Green. The outlet said that £3bn worth of UK food imports originated from the 20 countries “with the highest numbers of climate-driven displacements” in 2024, based on analysis from the Energy and Climate Intelligence Unit. The analysis highlighted that “climate impacts on food imports pose a threat to UK food security”. Elsewhere, an opinion piece in Dialogue Earth explored how the “role of gender equity in food security remains critically unaddressed”.
Spotlight
Fossil-fuelled bird decline
This week, Carbon Brief covers a new study tracing the impact of fossil-fuelled climate change on tropical birds.
Over the past few years, biologists have recorded sharp declines in bird numbers across tropical rainforests – even in areas untouched by humans – with the cause remaining a mystery.
A new study published this week in Nature Ecology and Evolution could help to shed light on this alarming phenomenon.
The research combined ecological and climate attribution techniques for the first time to trace the fingerprint of fossil-fuelled climate change on declining bird populations.
It found that an increase in heat extremes driven by climate change has caused tropical bird populations to decline by 25-38% in the period 1950-2020, when compared to a world without warming.
In their paper, the authors noted that birds in the tropics could be living close to their “thermal limits”.
Study lead author Dr Maximilian Kotz, a climate scientist at the Barcelona Supercomputing Center in Spain, explained to Carbon Brief:
“High temperature extremes can induce direct mortality in bird populations due to hyperthermia and dehydration. Even when they don’t [kill birds immediately], there’s evidence that this can then affect body condition which, in turn, affects breeding behaviour and success.”
Conservation implications
The findings have “potential ramifications” for commonly proposed conservation strategies, such as increasing the amount of land in the tropics that is protected for nature, the authors said. In their paper, they continued:
“While we do not disagree that these strategies are necessary for abating tropical habitat loss…our research shows there is now an additional urgent need to investigate strategies that can allow for the persistence of tropical species that are vulnerable to heat extremes.”
In some parts of the world, scientists and conservationists are looking into how to protect wildlife from more intense and frequent climate extremes, Kotz said.
He referenced one project in Australia which is working to protect threatened wildlife following periods of extreme heat, drought and bushfires.
Prof Alex Pigot, a biodiversity scientist at University College London (UCL), who was not involved in the research, said the findings reinforced the need to systematically monitor the impact of extreme weather on wildlife. He told Carbon Brief:
“We urgently need to develop early warning systems to be able to anticipate in advance where and when extreme heatwaves and droughts are likely to impact populations – and also rapidly scale up our monitoring of species and ecosystems so that we can reliably detect these effects.”
There is further coverage of this research on Carbon Brief’s website.
News and views
EMPTY CALI FUND: A major voluntary fund for biodiversity remains empty more than five months after its launch, Carbon Brief revealed. The Cali Fund, agreed at the COP16 biodiversity negotiations last year, was set up for companies who rely on nature’s resources to share some of their earnings with the countries where many of these resources originate. Big pharmaceutical companies did not take up on opportunities to commit to contributing to the fund or be involved in its launch in February 2025, emails released to Carbon Brief showed. Just one US biotechnology firm has pledged to contribute to the fund in the future.
LOSING HOPE: Western Australia’s Ningaloo reef – long considered a “hope spot” among the country’s coral reefs for evading major bleaching events – is facing its “worst-ever coral bleaching”, Australia’s ABC News reported. The ocean around Ningaloo has been “abnormally” warm since December, resulting in “unprecedented” bleaching and mortality, a research scientist told the outlet. According to marine ecologist Dr Damian Thomson, “up to 50% of the examined coral was dead in May”, the Sydney Morning Herald said. Thomson told the newspaper: “You realise your children are probably never going to see Ningaloo the way you saw it.”
‘DEVASTATION BILL’: Brazil’s president, Luiz Inácio Lula da Silva, signed a “contentious” environmental bill into law, but “partially vetoed” some of the widely criticised elements, the Financial Times reported. Critics, who dubbed it the “devastation bill”, said it “risked fuelling deforestation and would harm Brazil’s ecological credentials” just months before hosting the COP30 climate summit. The newspaper said: “The leftist leader struck down or altered 63 of 400 provisions in the legislation, which was designed to speed up and modernise environmental licensing for new business and infrastructure developments.” The vetoes need to be approved by congress, “where Lula lacks a majority”, the newspaper noted.
RAINFOREST DRILLING: The EU has advised the Democratic Republic of the Congo (DRC) against allowing oil drilling in a vast stretch of rainforest and peatland that was jointly designated a “green corridor” earlier this year, Climate Home News reported. In May, the DRC announced that it planned to open the conservation area for drilling, the publication said. A spokesperson for the European Commission told Climate Home News that the bloc “fully acknowledges and respects the DRC’s sovereign right to utilise its diverse resources for economic development”, but that it “highlights the fact that green alternatives have facilitated the protection of certain areas”.
NEW PLAN FOR WETLANDS: During the 15th meeting of the Ramsar Convention on Wetlands, held in Zimbabwe from 23 to 31 July, countries agreed on the adoption of a new 10-year strategic plan for conserving and sustainably using the world’s wetlands. Down to Earth reported that 13 resolutions were adopted, including “enhancing monitoring and reporting, capacity building and mobilisation of resources”. During the talks, Zimbabwe’s environment minister announced plans to restore 250,000 hectares of degraded wetlands by 2030 and Saudi Arabia entered the Convention on Wetlands. Panamá will host the next COP on wetlands in July 2028.
MEAT MADNESS: DeSmog covered the details of a 2021 public relations document that revealed how the meat industry is trying to “make beef seem climate-friendly”. The industry “may have enlisted environmental groups to persuade people to ‘feel better’ about eating beef”, the outlet said, based on this document. The strategy was created by a communications agency, MHP Group, and addressed to the Global Roundtable for Sustainable Beef. One of the key messages of the plan was to communicate the “growing momentum in the beef industry to protect and nurture the Earth’s natural resources”. MHP Group did not respond to a request for comment, according to DeSmog.
Watch, read, listen
MAKING WAVES: A livestream of deep-sea “crustaceans, sponges and sea cucumbers” has “captivated” people in Argentina, the New York Times outlined.
BAFFLING BIRDS: The Times explored the backstory to the tens of thousands of “exotic-looking” parakeets found in parks across Britain.
PLANT-BASED POWER: In the Conversation, Prof Paul Behrens outlined how switching to a plant-based diet could help the UK meet its climate and health targets.
MARINE DISCRIMINATION: Nature spoke to a US-based graduate student who co-founded Minorities in Shark Science about her experiences of racism and sexism in the research field.
New science
- Applying biochar – a type of charcoal – to soils each year over a long period of time can have “sustained benefits for crop yield and greenhouse gas mitigation”, according to a Proceedings of the National Academy of Sciences study.
- New research, published in PLOS Climate, found that nearly one-third of highly migratory fish species in the US waters of the Atlantic Ocean have “high” or “very high” vulnerability to climate change, but the majority of species have “some level of resilience and adaptability”.
- A study in Communications Earth & Environment found a “notable greening trend” in China’s wetlands over 2000-23, with an increasing amount of carbon being stored in the plants growing there.
In the diary
- 18-29 August: Second meeting of the preparatory commission for the Agreement on Marine Biological Diversity of Areas beyond National Jurisdiction | New York
- 24-28 August: World Water Week | Online and Stockholm, Sweden
- 26-29 August: Sixth forum of ministers and environment authorities of Asia Pacific | Nadi, Fiji
Cropped is researched and written by Dr Giuliana Viglione, Aruna Chandrasekhar, Daisy Dunne, Orla Dwyer and Yanine Quiroz. Please send tips and feedback to cropped@carbonbrief.org
The post Cropped 13 August 2025: Fossil-fuelled bird decline; ‘Deadly’ wildfires; Empty nature fund appeared first on Carbon Brief.
Cropped 13 August 2025: Fossil-fuelled bird decline; ‘Deadly’ wildfires; Empty nature fund
CCL submits a formal comment on EPA’s proposed endangerment finding rollback
By Dana Nuccitelli, CCL Research Manager
On July 29, the EPA proposed to rescind its 2009 endangerment finding that forms the basis of all federal climate pollution regulations.
Without the endangerment finding, the EPA may not be allowed or able to regulate greenhouse gas pollution from sources like power plants or vehicle tailpipes, as they have done for years. News coverage has framed this as a “radical transformation” and a “bid to scrap almost all pollution regulations,” so it has appropriately alarmed many folks in the climate and environment space.
At CCL, we focus our efforts on working with Congress to implement durable climate policies, and so we don’t normally take actions on issues like this that relate to federal agencies or the courts. Other organizations focus their efforts on those branches of the government and are better equipped to spearhead this type of moment, and we appreciate those allies.
But in this case, we did see an opportunity for CCL’s voice — and our focus on Congress — to play a role here. We decided to submit a formal comment on this EPA action for two reasons.
First, this decision could have an immense impact by eliminating every federal regulation of climate pollutants in a worst case scenario. Second, this move relates to our work because the EPA is misinterpreting the text and intent of laws passed by Congress. Our representatives have done their jobs by passing legislation over the past many decades that supports and further codifies the EPA’s mandate to regulate climate pollution. That includes the Clean Air Act, and more recently, the Inflation Reduction Act. We at CCL wanted to support our members of Congress by making these points in a formal comment.
There has been a tremendous public response to this action. In just over one week, the EPA already received over 44,000 public comments on its decision, and the public comment period will remain open for another five weeks, until September 15.
To understand more about the details and potential outcomes of the EPA’s actions, read my article on the subject at Yale Climate Connections, our discussion on CCL Community, and CCL’s formal comment, which represents our entire organization. As our comment concludes,
“In its justifications for rescinding the 2009 endangerment finding, the Reconsideration has misinterpreted the text of the Clean Air Act, Congress’ decadeslong support for the EPA’s mandate to regulate greenhouse gas emissions from motor vehicles and other major sources, and the vast body of peer-reviewed climate science research that documents the increasingly dangerous threats that those emissions pose to Americans’ health and welfare. Because the bases of these justifications are fundamentally flawed, CCL urges the EPA to withdraw its ill-conceived Reconsideration of the 2009 endangerment finding. The EPA has both the authority and the responsibility to act. Americans cannot afford a retreat from science, law, and common sense in the face of a rapidly accelerating climate crisis.”
After the EPA responds to the public comment record and finalizes its decision, this issue will ultimately be decided by the Supreme Court several years from now.
In the meantime, CCL will continue to focus our efforts on areas where we can make the biggest difference in preserving a livable climate. Right now, that involves contacting our members of Congress to urge them to fully fund key climate and energy programs and protect critical work at the National Oceanic and Atmospheric Administration (NOAA), National Aeronautics and Space Administration (NASA), and Department of Energy. We’ve set an ambitious goal of sending 10,000 messages to our members of Congress, so let’s all do what CCL does best and make our voices heard on this critical issue.
This action by the EPA also reminds us that federal regulations are fragile. They tend to change with each new administration coming into the White House. Legislation passed by Congress – especially when done on a bipartisan basis – is much more durable. That’s why CCL’s work, as one of very few organizations engaging in nonpartisan advocacy for long-lasting climate legislation, is so critical.
That’s especially true right now when we’re seeing the Trump administration slam shut every executive branch door to addressing climate change. We need Congress to step up now more than ever to implement durable solutions like funding key climate and energy programs, negotiating a new bipartisan comprehensive permitting reform bill, implementing healthy forest solutions like the Fix Our Forests Act, and advancing conversations about policies to put a price on carbon pollution. Those are the kinds of effective, durable, bipartisan climate solutions that CCL is uniquely poised to help become law and make a real difference in preserving a livable climate.
For other examples of how CCL is using our grassroots power to help ensure that Congress stays effective on climate in this political landscape, see our full “Holding the Line on Climate” blog series.
The post Holding the line on climate: EPA appeared first on Citizens' Climate Lobby.
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