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.
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Key developments
Food ‘catastrophe’
FAO WARNING: On Monday, the UN Food and Agriculture Organization (FAO) warned that a prolonged closure of the strait of Hormuz could lead to a “global food catastrophe”, reported Al Jazeera. With 20-45% of the world’s key agrifood inputs dependent on the sea passage, the outlet explained, poorer countries would be the “most exposed”, with delays in accessing fertilisers “quickly translating into lower output”. A Financial Times essay detailed how the Gulf region has come to “sit at the centre of modern agriculture” over the past two decades”.
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‘PERFECT STORM’: The FAO also warned countries to “not limit shipments” of energy and fertilisers, warning that such restrictions have led to food price spikes in the past, wrote Bloomberg. The UN body asked countries to “closely ponder” biofuel mandates, given the choice between high oil prices and curtailing global food supplies. In a statement, FAO chief economist Dr Maximo Torero warned of a “perfect storm”, if the world is also affected by a strong El Niño.
COUNTRIES RESPOND: Sri Lanka, already “burdened with old fertiliser debts”, has promised to provide fertiliser subsidies to farmers, reported Sri Lanka’s Sunday Times. In India, “fear of a fertiliser shortage is particularly heightened”, wrote Scroll.in. In Australia – where 60% of urea comes from the Persian Gulf – the war could herald a fertiliser “manufacturing comeback”, reported ABC News. Reuters looked at how China is “clamping down on fertiliser exports to protect its domestic market”.
Study: Wood vs gas burning
BASHING BECCS: A new study found that “bioenergy with carbon capture and storage (BECCS) is unlikely to generate negative emissions within 150 years”. The paper added that BECCS is likely to “produce higher emissions for decades than using natural gas without carbon capture” and to “increase electricity costs by ~3.5-fold”. The Guardian covered the research, stating that its findings “cast doubt” on government plans to offer subsidies for carbon capture attached to wood-burning power, such as the UK’s Drax power station.
INTERPRET WITH CAUTION: Prof Joana Portugal Pereira, an assistant professor at the Federal University of Rio de Janeiro, told Carbon Brief that the study is “clearly framed and the modelling approach is transparent”. However, she said the results are “very sensitive to the assumptions made” and advised “caution” in drawing conclusions from the analysis. For example, she noted that the study “focuses on BECCS supplied from existing forests”, which is likely to “emphasise higher emissions outcomes”.
MISLEADING HEADLINE: Dr Isabela Butnar, a lecturer in environmental policy at University College London, praised parts of the methodology and agreed that “forest-based BECCS for electricity is a no-go”. However, she argued that the title of the paper – “Decades of increased emissions from forest-fuelled BECCS” – might be “a bit misleading”. The title should specify that the analysis only applies to BECCS for electricity production, she said.
News and views
- TOO HOT TO FARM: A major new joint report by the FAO and the World Meteorological Organization estimated that extreme heat “currently threatens” the livelihoods of more than 1 billion people, with agricultural workers on the “frontlines…absorbing the greatest impacts”. Farmers in much of south Asia, sub-Saharan Africa and central and South America could find it “simply too hot to work” for up to 250 days a year, the report cautioned.
- PALM READING: Demand for palm oil has “surged as the war in Iran drives countries to build up stockpiles” and “boost” biofuel programmes in response to higher crude oil prices, reported Nikkei Asia. While Malaysian and Indonesian palm oil exports have risen to their “highest level in months”, longer-term supply could be “threatened” by rising fertiliser prices and “high temperatures caused by climate change”, added the outlet.
- RED LIST: Emperor penguins and the Antarctic fur seal “have joined the list of wildlife endangered by global warming”, according to the International Union for Conservation of Nature’s (IUCN) Red List, reported the New York Times. Conversely, “iconic” blue-and-yellow macaws have returned to Rio de Janeiro after a 200-year absence, following an ambitious “refaunation” programme, wrote the Guardian.
- CATTLE CLASS: A new Unearthed investigation found that a major US biofuels producer supplied the UK with “sustainable aviation fuel” derived from “beef fat linked to illegal Amazon deforestation”. Darling Ingredients – the producer’s parent company – denied sourcing tallow from slaughterhouses sourcing cattle from illegal farms in the Amazon. It told the outlet it was “in the process” of requiring suppliers to prove their products were “deforestation-free”.
- FUND OPEN: On 10 April, Ecuador issued its “first call” for grants to protect 1.8m hectares of the Ecuadorian Amazon using the $460m Amazon Biocorridor Fund, reported EFE Verde. The trust fund is linked to what is considered the “largest debt-for-land nature swap”, added the outlet. [For more on debt-for-nature swaps, see Carbon Brief’s 2024 explainer.]
- SUPER EL NIÑO: Scientists expect a strong El Niño event to develop by early autumn, driving up global temperatures, according to Carbon Brief’s latest state of the climate update. The analysis said that if a super El Niño develops this year, it is likely that 2027 will top the charts as the hottest year on record. It added that “the latest climate models give a central estimate of 2.2C warming by September – a scenario which would put the world firmly in ‘super’ El Niño territory”.
Spotlight
Oxford solar farm under fire
This week, Carbon Brief unpacks what the UK’s Botley West solar farm development would mean for farmland and biodiversity in the area.
Planning permission for one of Europe’s largest solar farms has been delayed, after the UK government asked for more time to consider the proposal from the developer.
Oxfordshire’s Botley West solar farm has been under consultation since 2022.
If approved, the site – located 80km north-west of London – will deliver 840m watts (MW) to the UK power grid.
However, the development faces vehement opposition – most notably from the Stop Botley West campaign group, which has said the “vast” solar farm will have “unprecedented” visual impact, drive the loss of “arable farmland” and will “disregard Oxford’s green belt”.
Politicians frequently use solar farms to score points with their supporters, with some MPs describing the developments as hazards for rural communities and food supply.
Farmland loss
Most of the land earmarked for the solar farm belongs to the Blenheim estate – a 12,000-acre expanse surrounding the UNESCO world heritage site of Blenheim Palace.
Dr Jonathan Scurlock – the former chief climate adviser at the National Farmers’ Union, which represents farmers in England and Wales – told Carbon Brief that the estate rents out much of its land to tenant farmers. However, he added, it is “not terribly good quality farmland”.
The UK government has a ranking system for agricultural land that is being considered for large-scale development projects, where five indicates “very poor quality” and one indicates “excellent quality”. Developers are generally encouraged to build on lower-quality land, leaving the high-quality land for farming.
According to the Botley West website, 62% of the land surveyed for the proposed solar farm is agricultural grade 3b – defined as “moderate-quality agricultural land”. The remainder is mostly 3a, defined as “good-quality agricultural land”.
Many opponents of Botley West argue that the farm will take away vital farmland. However, Scurlock said:
“Solar is perceived as very challenging to land use and yet the evidence nationally really doesn’t support that…Solar farms do not really represent lots of agricultural land capacity”.
(A 2025 Carbon Brief factcheck found that golf courses currently take up six times as much land in the UK as solar farms.)
The developers plan for the solar panels to remain on-site for about 40 years, after which the fields will be returned to use for agriculture.
Biodiversity gain
The proposed solar farm has also promised to improve local biodiversity.
New development projects in the UK must deliver a “biodiversity net gain” (BNG) under a 2024 regulation.
Developers must arrange for the “biodiversity value” of the land to be assessed, considering factors including the size, quality, location and type of each habitat. They must then ensure that the final project increases this value by at least 10%.
If the Botley West project is approved, the developers will aim for 70% BNG.
Prof Alona Armstrong, an energy researcher from Lancaster University, told Carbon Brief that around two-thirds of solar farms in the UK are built on “ex-arable lands”.
She explained that biodiversity outcomes on solar farms depend on where the farms are located and how they are designed and managed. Much agricultural land is “intensively managed”, with the use of chemicals and farming machinery. In contrast, there is less chemical and machinery use on solar farms, potentially benefiting biodiversity.
Armstrong added that solar farms are often lined with hedges, which are “really good for biodiversity”, acting as refuges for a wide range of plant and animal species.
The latest BNG statement for Botley West filed with the government featured a “habitat and hedgerows creation and enhancement plan”.
The plan included creating 26.5km of new species-rich hedgerow, enhancing 25km of existing hedgerows and developing a range of grassland types within the solar arrays to be managed for conservation.
Watch, read, listen
EARTH ANGELS: From protecting Nigeria’s rare bats to pushing higher climate targets in South Korea, Mongabay profiled the six women who won this year’s Goldman Prize.
CHERRY (BLOSSOM) PICKING: The Guardian reported on the hunt to find a researcher to continue Japan’s 1,200-year record of cherry-blossom blooming dates.
‘SOYA REPUBLICS’: A Phenomenal World essay argued that global grain traders in South America’s soya supply chains “sowed the seeds of anti-democratic politics”.
ZACH IS BACK: Actor-comedian Zach Galifianakis debuted a new Netflix series, called “This is a gardening show”, meant to be an “oddball celebration of the food we eat”.
New science
- Preventing the loss of intact biomes, ecosystems and species is the “most critical strategy” to achieve the “nature positive” future outlined in the Kunming-Montreal Global Biodiversity Framework | Frontiers in Science
- Climate change will lead to “increased pest damage” in North American forests, as “temperature-boosted pest performance” and “climate-induced stress”, such as drought, make trees more susceptible to pests | Nature Ecology and Evolution
- There are 160m “small wetlands” in “non-forested” parts of the world, which together contribute to 24% of total wetland methane emissions | Nature Climate Change
In the diary
- 22-24 April: Eighth meeting of the board for the loss and damage fund | Livingstone, Zambia
- 24 April: Launch of the 2026 global report on food crises | London
- 24-29 April: First conference on transitioning away from fossil fuels | Santa Marta, Colombia
- 5-7 May: Workshop on invasive alien species for Spanish-speaking countries in Latin America and the Caribbean | Panama City
Cropped is researched and written by Dr Giuliana Viglione, Aruna Chandrasekhar, Daisy Dunne, Orla Dwyerand Yanine Quiroz. Please send tips and feedback to cropped@carbonbrief.org
The post Cropped 22 April 2026: Global food ‘catastrophe’ | BECCS emissions | UK solar farm controversy appeared first on Carbon Brief.
Cropped 22 April 2026: Global food ‘catastrophe’ | BECCS emissions | UK solar farm controversy
Climate Change
Did Colombia’s energy transition just come to a halt?
Christopher Wright is the principal analyst at CarbonBridge, a decarbonisation consulting firm.
Less than two months ago, Colombia hosted the world’s first international conference on Transitioning Away from Fossil Fuels. This weekend, however, it appears that Colombia’s first ever leftist presidency has ended. Far-right candidate Abelardo de la Espriella, who was last week strongly endorsed by Donald Trump, will not only take the reins of government but also steer the future of Colombia’s energy transition.
As the world’s sixth-largest coal exporter, and fourth largest oil exporter in Latin America, Colombia plays a critical role in the world’s energy markets. However, this role had shrunk under President Gustavo Petro’s administration, as it sought to proactively shift the country away from its fossil-fuel based economy, ahead of a potential oil and gas production shortage over the next decade.
That could all change as De la Espriella’s takes power. Calling himself the Tiger (“El Tigre”), he has promised to focus on deregulation, exploit oil extraction “to the maximum” and leverage the energy sector as a key “engine of growth”.
Colombia’s world-leading energy transition
Over the last four years, Colombia has embarked on one of the most rapid and holistic energy transitions anywhere in the world. Shortly after coming to power in 2022, the government of Gustavo Petro halted new oil and gas exploration contracts, suspended all hydraulic fracking pilots, and pledged to end the development of new unabated coal power plants.
While many of these moves faced domestic and legislative challenges, they were widely praised in climate circles around the world.
Colombia soon became a pivotal member of the Powering Past Coal Alliance, the Beyond Oil and Gas Alliance and the Fossil Fuel Non-Proliferation Alliance. It then went on to host the biodiversity COP in 2024, launch a $40-billion climate transition investment portfolio, and famously, host the Santa Marta conference earlier this year.


While fossil fuels still comprise around 7% of Colombia’s GDP and 56% of its total exports, there were already signs that the transition policies had begun to have an effect.
Coal production last year fell to its lowest level in the last 22 years. According to the Colombian national association of coal producers, coal export volumes declined by 23% in 2025. While the oil sector has not seen an equivalent precipitous drop, production levels have remained historically low since COVID.
What about its domestic electricity sector?
Since the 1970s Colombia’s electricity sector has been dominated by large hydro-electric dams, endowing it with some of the lowest carbon electrons anywhere in the world. Today, close to 70% of its electricity supply comes from these large dams.
However, electricity demand rose by close to 10% under the Petro government. To meet this demand, total installed electricity capacity has expanded by a similar figure, and solar power has made up over 70% of new electricity capacity since.


As a result, by the end of 2025, gas power generation in the electricity sector had hit its lowest point since 2018. Wind power had doubled, and solar power generation had risen by over 630%. Colombia’s renewable energy association predicts that, by the end of 2026, the country may be home to more than 4.2 GW of installed variable renewable energy capacity.
Far-right jumps on energy challenges
Despite the progress, the last three years have been an incredibly challenging period for Colombia’s energy sector.
During Petro’s first two years in office, inflation remained above 10%, and interest rates stayed above 13% for most of 2023. This put a pause on new energy investments, as foreign direct investment fell by a third since 2022.
On top of this, Colombia suffered through an El Niño-fuelled drought in 2023-24, crippling its hydro-electric power supply. This forced the country to turn to expensive gas and coal power, just as both sectors had effectively begun to pull back. This sent electricity prices through the roof, increasing nearly 40% in a single year, and led the Petro government to intervene with price controls, aiming to protect everyday Colombians.
Unsurprisingly, this made energy investors even more cautious. By the end of 2023, GDP growth had plummeted and renewable energy investments fell by 70%. Since then, all the major credit agencies have downgraded the country’s credit rating, making it even shakier to invest.
As a result, even with the new solar coming online, and 1.2 GW of additional hydro-power from the Ituango dam expected by 2028, the country could still face a major energy deficit by 2027, with permitting delays halting project developments, and 5.1 GW of approved projects unable to reach financial close.
Challenging domestic debate
This has led to a challenging domestic debate on energy policy. While 96% of Colombians want to see solar expand further, they have been understandably frustrated by high electricity bills and limited economic growth.
As a result, De la Espriella’s campaign, which has largely focused on taking a hardline stance to combat growing concerns around security and crime, was relatively open to solar power, but sought to blame Colombia’s current energy crisis on the speed of its current energy transition.
Branding himself as neither a climate denialist nor “dogmatic environmentalist” the incoming president who will take office in August, will likely seek to revoke the ban on new hydrocarbon exploration contracts, legalise fracking and restructure the national oil company, Ecopetrol.
While he is unlikely to cancel market-driven projects and may reduce regulatory hold-ups, it is also likely that he will shift away from the government’s recent overwhelming support for long-renewable energy and battery storage projects, which have driven much of the recent uptake in solar power.
Future of energy transition in doubt
In a country of close to 54 million people, the final election count was only decided by about 250,000 votes. However, this weekend’s margin belies the magnitude of the shift that will likely now take place.
With the country facing a potential domestic energy shortage 2027, President-elect De la Espriella has promised to revitalise the hydrocarbon economy, shifting Colombia’s recent energy transition on an entirely new course.
While this may unlock some regulatory challenges hindering renewables roll-out, broader support mechanisms for solar projects will likely be dismantled, and the broader economic transition abandoned, along with its recent flurry of international climate alliances.
He will also take his place among a wave of right-leaning Presidents that have swept to power across the continent in the last 18 months. This has seen right-wing electoral victories across Ecuador, Bolivia, Chile, Costa Rica, Argentina and now Colombia, with Peru’s Keiko Fujimori potentially joining the club soon – pending a final vote count.
With the Brazilian elections scheduled for October, and run-off scenarios between Lula and Flávio Bolsonaro still far too close to call, 2026 will undoubtedly be a pivotal year for Latin America’s energy future.
The post Did Colombia’s energy transition just come to a halt? appeared first on Climate Home News.
Climate Change
Live from LCAW – Raw diplomacy: Can new mineral alliances deliver a just energy transition?
Join us for an afternoon of high-level discussions at London Climate Action Week on what resource-rich developing countries need to make new critical mineral partnerships genuinely beneficial.
We are bringing together high-level speakers from mineral producing countries, the finance sector, the UN and civil society to reflect on the latest developments in resource diplomacy and ask what’s next for mineral governance.
Agenda
02:00 PM
Welcome
MC, Gabriela Flores, NRGI
02:00 PM – 02:30 PM
In conversation: Minerals governance – what’s next?
Celine Kauffman, IDDRI, Patrick Schröder, Chatham House, Sascha Raabe, UNIDO (online), Moderated by Chloé Farand, Climate Home News
We will explore G7 outcomes and the practical steps the G7 and G20 can take to advance mineral governance and responsible mining, with a spotlight on how the UK can seize its 2027 G20 presidency to drive this critical agenda forward.
02:30 PM – 03:00 PM
Tracking allegations of abuse in mining for transition minerals
Phil Bloomer, BHRC, Ketakandriana Rafitoson, Resource Justice Network
The Business and Human Rights Centre presents its 2026 Transition Minerals Tracker update and unveils new data on allegations of human rights abuse linked to the extraction of bauxite, cobalt, copper, iron ore, lithium, manganese, nickel, rare earth elements and zinc – and the companies behind them.
03:00 PM – 03:30 PM
Break
03:30 PM – 04:30 PM
Can finance clean up mining? The role of investors and lenders
Stephen Barrie, Church of England Pensions Board/ Global, Pavel Laberko, Emerging Markets Investors Alliance, Margaux Day, Accountability Counsel
Finance can be a powerful force for raising environmental and social standards in mining — but only if financial actors remain in the sector rather than walking away. This session examines how investors and lenders can drive accountability and responsible practices in transition minerals, and whether the answer lies in divestment, engagement, or stronger oversight from civil society. Moderated by Caroline Avan, BHRC.
04:30 PM – 05:50 PM
What should equitable mineral partnerships look like?
Eric Ngang, African Resources Watch (Afrewatch), Thomas Scurfield, NRGI , Tobias Musonda, Director of Policy and Planning, Zambia , Wen-Yu Weng, Ellen MacArthur Foundation.
As demand for critical minerals surges, the race to secure supply chains risks repeating the extractive models of the past. This session cuts to the heart of what truly equitable mineral partnerships look like — and what it will take to to move from principle to practice. Moderated by Chloé Farand, Climate Home News
06:00 PM
Closing
Amir Shafaie, NRGI
The post <span style="color: #F39200;">Live from LCAW</span> – Raw diplomacy: Can new mineral alliances deliver a just energy transition? appeared first on Climate Home News.
Live from LCAW – Raw diplomacy: Can new mineral alliances deliver a just energy transition?
Climate Change
COP31 presidency ‘open’ to reflecting Santa Marta in UN climate process, ministers say
Colombia and the Netherlands, which co-hosted the first conference the first conference on transitioning away from fossil fuels earlier this year, say they have held “constructive” discussions on bringing the meeting’s outcomes to the COP31 climate summit.
Speaking on the sidelines of London Climate Action Week, the outgoing Colombian environment minister and Dutch climate policy minister, said COP31 presidencies Australia and Türkiye were “open” to suggestions on how to reflect the discussions in Santa Marta on transitioning away from coal, oil and gas at the end-of-year summit.
What format this might take, “we don’t know yet,” said Colombian minister Irene Vélez Torres.
“We had this very interesting conversation with COP31 and they were clearly open for suggestions about what is needed in the discussion in Türkiye, and we were explicit about the need to engage with the phasing out of fossil fuels,” she said.
Australia and Türkiye will jointly preside over the COP31 climate conference, which is taking place in the Turkish resort city of Antalya in November. Türkiye will lead on the action agenda, referring to initiatives that lie outside of the formal negotiations, while Australia will chair the negotiations.
Dutch minister Stientje van Veldhoven said the outcomes of the Santa Marta conference could be part of COP31’s action agenda,
“We are here to facilitate action on one particular part of what COP has agreed to do, namely transitioning away fossil fuels so there is a very logical connection to the COP process, and we will make sure that we continue to bring this coalition of the willing, this coalition of the doers back into the COP process,” she said.
At the event in London, UN secretary-general António Guterres urged countries to reduce their fossil fuel dependencies, arguing that “economies based on renewables are much more secure than economies based on the imports of fossil fuels”. He added that the transition to renewables is “unstoppable”.
European, island states seek clear future for global roadmap to cut fossil fuels
Including the fossil fuel transition in UN climate negotiations, rather than the action agenda, is likely to be controversial among governments. While nations agreed to transition away from fossil fuels at COP28, at COP30 last year Saudi Arabia, Russia and others successfully opposed a push to agree for a roadmap to be drawn up on how to meet this goal.
Despite the lack of agreement, the Brazilian government which presided over COP30, is drawing up a global roadmap. But the Russian government has said it opposes this roadmap being referenced in UN climate talks.
Finding agreement on referencing the Santa Marta process in UN climate talks is also likely to be difficult. Last week in Bonn, the chair of the African Group of Negotiators, Antwi-Boasiako Amoah from Ghana, criticised “minilateral initiatives and coalitions of the willing” as distracting political attention and lacking the legitimacy that comes from multilateral climate negotiations, where any country can veto anything.
Strengthening the COP process
The Santa Marta conference kick-started a diplomatic process outside of the formal UN climate negotiations to offer a space for governments to make progress and find solutions to wean their economies away from fossil fuels.
Around 60 countries, including many large fossil-fuel producers attended the meeting after being frustrated by failed attempts to get UN climate talks to sign off on the global roadmap away from fossil fuels. They agreed to work towards voluntary national roadmaps away from fossil fuels.
A 170-page report summarising the outcome of the conference published on Tuesday says that the Santa Marta coalition of countries will seek to influence the formal UN negotiations.
The report says Colombia proposed to build “a strong coalition to bring these discussions to the second Global Stocktake”, a process in which countries will review climate progress and agree on measures forward at COP33 in 2028.

Colombia also suggested organizing “a high-level event during the next COP presidency” to discuss Santa Marta outcomes, while Italy proposed an event during the UN General Assembly.
“We will make sure that Santa Marta conference is not a separate, parallel process to the COP” but “strengthens” the negotiations without becoming a formal part of them, said van Veldhoven, adding that the process will remain “a conversation” to demonstrate that transforming economies away from fossil fuels is possible.
COP30 CEO Ana Toni from Brazil told a separate event in London that the response to the second Global Stocktake “will probably need several pages” to deliver an agreed commitment to transition away from fossil fuels. The Santa Marta report says that Brazil’s global roadmap should also be included in the response.
Colombian election signals u-turn
Colombia, which has been one of the most proactive countries promoting a global transition away from fossil fuels, is likely to reverse course after the election of right-wing candidate Abelardo de la Espriella as the country’s new president at a general election on Sunday.
The newly elected president has branded himself as an ally of US president Donald Trump, and has promised to reverse a current halt on new coal, oil and gas licenses, as well as venture into “responsible fracking” without overlapping with protected areas or high-mountain páramo ecosystems.
Vélez Torres said the current Colombian government has already “delivered to the international community and to our sub-national forces, social forces, movements, academia” a process to keep the energy transition moving forward.
She told Climate Home News she hoped the work the government had done could be picked up by social movements in Colombia to demand change from the incoming government. “What we did cannot be erased, and we have had our voices heard, and we have been as radical as any other government could have been.”
The minister said the elections have left the country facing a “dark night” that “can really shift the politics in terms of energy transition and environmental protection”, but said she is certain that their “legacy will continue being there”.
The post COP31 presidency ‘open’ to reflecting Santa Marta in UN climate process, ministers say appeared first on Climate Home News.
COP31 presidency ‘open’ to reflecting Santa Marta in UN climate process, ministers say
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