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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

Broken records

FIRES: Wildfires have burned through more than 1m hectares of land across the EU, making 2025 the worst year on record, the Guardian reported. Blazes in the EU have burned four times as much land this year as the average over the past two decades, according to data from the European Forest Fire Information System, the outlet said. Meanwhile, the UK has “almost certainly” faced its hottest summer on record, according to provisional Met Office data covered by BBC News.

FLOODS: At least 34 people have been killed as heavy rainfall across India and Pakistan continued to cause flash floods and landslides in Indian-controlled Kashmir, the Associated Press reported. Continuing extreme rainfall in China has caused more than $2bn in damages since July, noted Reuters. Typhoon Kajiki has killed at least eight people in Vietnam and Thailand, with more flash floods and mudslides expected, Channel News Asia reported.

Turbine turbulence

POWER SHOCK: Shares in the Danish wind-power developer Ørsted dropped to a record low after the Trump administration ordered the firm to stop work on a near-complete project, the Financial Times reported. The $1.5bn Revolution Wind project is four-fifths complete and was due to power 350,000 homes in Rhode Island and Connecticut, the newspaper said.

‘WINDFARM WASTE’: In the UK, the energy regulator Ofgem announced that energy bills will rise by 2% for millions of households in October, with the Times reporting that part of the increase is due to the rising cost of “paying wind farms to switch themselves off”. The news sparked a wave of critical editorials and comment pieces in right-leaning and climate-sceptic UK newspapers. A Carbon Brief factcheck previously explained how gas prices, rather than “balancing costs” associated with wind farms, are the largest driver of high electricity prices in the UK.

Around the world

  • FORESTS FOREVER: At a summit in Colombia, Brazil won the backing of other Amazon nations for its $125bn “Tropical Forests Forever Facility”, a fund first launched at COP28 in 2023, Bloomberg reported.
  • CHINA CAP: China’s cabinet announced that the country will “tighten its carbon trading market by introducing absolute emissions caps in some industries for the first time starting by 2027”, Reuters said.
  • RECORD RENEWABLES: Global renewables investment increased by 10% in the first half of the year, when compared to last year, to a record $386bn, according to new data from BloombergNEF covered by BusinessGreen.
  • BANKING BREAK: The Net-Zero Banking Alliance has “paused” its activities “after losing top European and Wall Street members amid Trump’s ongoing crusade against climate change”, reported the Financial Times.
  • STAFF SUSPENDED: The US Federal Emergency Management Agency (Fema) has suspended more than 20 members of staff who signed an open letter warning that Trump’s cuts to the body could risk a “national catastrophe” on the scale of Hurricane Katrina, according to BBC News.

87%

The percentage of new coal-power capacity located in China or India that came online globally in the first half of 2025, as revealed in a guest post for Carbon Brief written by Global Energy Monitor researchers.


Latest climate research

  • Exposure to heatwaves may cause people to age faster | Nature Climate Change
  • The number of supercell thunderstorms – the “most hazardous thunderstorm category” – could increase by an average of 11% in Europe under 3C of global warming | Science Advances
  • Sea level rise projections from the Intergovernmental Panel on Climate Change (IPCC) second assessment in 1995 were “strikingly close to what transpired over the next 30 years” | Earth’s Future

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

Captured

A chart showing that far more space is taken up by golf courses than solar power in many countries

Carbon Brief published an in-depth factcheck debunking 16 of the most commonly heard false and misleading myths about solar power. One such claim is that solar power poses “a serious threat to agriculture and food security” by taking up land. The chart above, adapted from the factcheck, puts such a claim in perspective using the land-use of golf courses as a comparison.

Spotlight

How to reform the UN’s climate COPs

This week, Carbon Brief highlights a short extract from a new autobiography written by the late Peter Betts, who was the UK and EU lead negotiator at various COPs, including 2015’s pivotal COP21 in Paris. Betts, who died of brain cancer in October 2023, used his book to lay out his views on how to reform COPs – a topic Carbon Brief recently asked a range of experts about, too.

Of course, the UNFCCC and COP process has its shortcomings. For example, I would be the first to acknowledge that progress on finance, adaptation and loss and damage has been too slow. But I would argue that it would not have happened at all without the central global discussion afforded by the COPs, at which vulnerable countries always have a strong voice.

The alternative to COPs – often put forward by big and powerful countries – is to do everything within the G20, perhaps complemented by plurilateral cooperation between big states. No one would be more pleased to see the end of the COP process than big oil and gas interests in the US who sought to undermine COPs throughout my decade or more in negotiations.

My experience was that excluding the vulnerable countries led to lower-ambition outcomes which the US and emerging economies were comfortable with. The vast bulk of vulnerable countries would be horrified to lose the COPs, since it guarantees them a voice.

Overall, then, I believe that the case for keeping a global forum, where all have a seat at the table and, therefore, the most vulnerable have a voice, is overwhelming, and this is the UNFCCC. It is an indispensable political moment every year to rally the forces of ambition for climate change (and, to paraphrase Voltaire, if we didn’t have it, we would need to invent it). There are, however, two improvements that could be made to the way COPs operate.

1: The second stocktake

Formal stocktakes occur every five years, at a point two years before the next five-yearly ambition cycles of the COPs (such as Paris and Glasgow). But there is almost no focus by the media or NGOs on the announcements of NDCs [nationally determined contributions], especially those of “developing countries”, despite the importance of NDCs’ impact on climate goals.

In the run-up to the five-yearly stocktakes there should be a moment, perhaps a third of the way through the year, where we can see where we stand, individually and collectively, following the NDCs that have been announced. If some countries’ proposals are weak, those countries should be pressured to do more; if some have not submitted a proposal at all, then that should be highlighted.

It seems unlikely that the big economies would agree a formal process change, as when I have suggested such a second stocktake “moment” to various partners they have expressed concerns that it would be controversial. However, civil society should look to create this moment outside the formal process with analysis and media-friendly events which would provide an opportunity to assess (and put pressure on) relative, proposed contributions.

Peter Betts at Windsor Castle in 2021.
Peter Betts at Windsor Castle in 2021. Credit: PA Images / Alamy Stock Photo

2: Annex membership

Second, we should review membership of the annexes to the convention, which set out who is “developed” and who is a “developing” country. We need a step change in support for emerging economies to help them make the transition to low carbon, which is increasingly affordable and will bring them other benefits. This means much more finance from Annex II countries, complemented by finance from China (the world’s biggest sovereign investor) and from Gulf states, who have grown rich on selling fossil fuels.

Sadly, however, I doubt whether it will be possible to negotiate changes to membership of the annexes, even though that was required by the convention to happen by 1998. But could countries such as China and the Gulf states not voluntarily step into Annex I and/or even Annex II?

Non-Annex I countries now constitute nearly two-thirds of global emissions and are likely to be a far higher proportion of emissions growth. So, if we want to limit climate change, it is these emissions we need above all to target. Of course, we must complement this by quicker action by Annex I countries, perhaps alongside negative emissions, and we must provide much more serious help to some non-Annex I countries.

Adapted from The Climate Diplomat: A Personal History of the COP Conferences by Peter Betts, published by Profile on 28 August and available now.

Watch, read, listen

KATRINA: Twenty years on from the category-five hurricane that devastated New Orleans, the Times had a lengthy feature about the “flood, failures and chilling aftermath”. Netflix also released a three-part series about the disaster.

SLOP: DeSmog investigated the websites using AI-generated content citing non-existent climate experts and institutions.

FAILED MODEL: Pakistani journalist Arifa Noor lamented in Dawn the “development model” being adopted by the nation’s “ruling elite” amid the “rage of climate change”.

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 29 August 2025: Record wildfires; Solar myths factchecked; Climate veteran on COP reform appeared first on Carbon Brief.

DeBriefed 29 August 2025: Record wildfires; Solar myths factchecked; Climate veteran on COP reform

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Climate Change

Coles, Woolworths failing on deforestation commitments 

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SYDNEY, Wednesday 26 August 2026 — New 2026 Sustainability Reports released by supermarket giants Coles and Woolworths this week demonstrate the retailers are failing on their commitments to end deforestation in their supply chains.

Adele Chasson, Nature Policy Lead at Greenpeace Australia Pacific said:

“These so-called sustainability reports are revealing. Despite their public commitments in 2024 and 2025, neither Coles nor Woolworths have taken deforestation-linked beef off their shelves. Meanwhile, bulldozers continue to tear up forests and bushland, pushing wildlife closer to extinction and causing mass toxic runoff to flow into the Great Barrier Reef. Millions of native animals like koalas are losing their homes to beef pastures each year, while the big supermarkets put off action.

“Australians would be shocked to know that beef on the shelves of our biggest supermarkets could be pushing threatened species to the brink of extinction. Collectively Coles and Woolworths have made more than $2 billion in profits in the last year, profiting from the destruction of wildlife and precious Australian nature. Coles and Woolworths owe it to shoppers to deliver on their promises and end deforestation in their supply chains now.

“As big beef buyers, Coles and Woolworths have an essential role to play in keeping Australia’s unique forests standing. They can help stop the Great Barrier Reef from being poisoned by runoff and protect iconic forest wildlife by taking deforestation off their shelves. It’s time these big companies put their money where their mouths are and follow through on their promise of sourcing and supplying deforestation-free beef.”

Coles, Woolworths failing on deforestation commitments 

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New Zealand moves to protect business with law curtailing climate litigation

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New Zealand’s parliament has adopted a controversial new law blocking a whole avenue of climate litigation and shutting down its most advanced corporate lawsuit, which has been blamed by the government for shaking business confidence and investment.

The Climate Change Response (Tort Liability) Amendment Bill, expected to take effect in the coming days after it is formally signed by the Governor-General, prevents all current and future civil claims for climate loss or harm under tort law.

Justice minister Paul Goldsmith said last week that the aim was to give businesses “certainty around their climate change obligations”, noting it would not alter the government’s responsibilities under the Climate Change Response Act 2002 nor business obligations under the Emissions Trading Scheme.

“Our response to climate change is best managed by the Government at a national level and not through piece-meal litigation in the courts,” he added in a statement.

Such litigation, he said, “risks developing a new regime that contradicts the framework Parliament has already enacted” to tackle climate change.

    Goldsmith singled out a key domestic climate lawsuit brought by Northland iwi leader and activist Mike Smith against six big companies: dairy firms Fonterra and Dairy Holdings, energy firms Genesis Energy and Z Energy, New Zealand Steel and coal mining firm BT Mining. A seventh original defendant, Channel Infrastructure, was dropped after it permanently decommissioned its Marsden Point oil refinery.

    Smith argued that these companies had caused him harm under public nuisance and negligence law, as well as a third breach of a duty to cease contributing to climate change that has yet to be tested domestically. He did not seek financial compensation, instead asking for the companies to immediately stop emitting or contributing to net greenhouse gas emissions.

    In one of the most advanced corporate climate accountability lawsuits in the world, a trial had been scheduled for April 2027 after the Supreme Court unanimously allowed the case to continue.

    Corporate lobbying in the shadows

    Smith described the passing of the bill as “deeply concerning”, particularly as it coincided with the Supreme Court hearing another of his climate lawsuits. In that case, Smith v Attorney-General, he argues that the government’s response to climate change and its impacts on Māori communities in particular breaches rights to life and culture.

    “That timing raises profound questions about the separation of powers and the rule of law,” said Smith. “Whatever one’s view of the merits of these cases, it is deeply troubling when parliament intervenes to remove a legal pathway while the courts are actively considering fundamental questions about climate responsibility, rights and the crown’s obligations.”

    The bill – which says that no person (including the government) can be found liable in tort for emissions-related climate change effects – followed major lobbying efforts by the companies defending themselves in Smith’s lawsuit. They outlined a proposed legal amendment in a briefing note to the government in 2024.

    The centre-right government has been fiercely criticised over its lack of transparency in relation to this lobbying activity. The national ombudsman recently found that the Prime Minister’s Office effectively withheld information requested by the Environmental Law Initiative about meetings, discussions and conversations regarding Smith’s case.

    Green groups fail to stop bill

    The bill sparked huge concern among environmental campaigners in New Zealand and elsewhere. Greenpeace Aotearoa called it a “shocking abuse of executive power” and the vast majority of submissions to a parliamentary inquiry said it should be rejected.

    But in the end, it was adopted with little resistance, moving relatively smoothly through parliament, passing its third reading by 67 votes to 53. Sam Bookman, climate law lecturer at Melbourne Law School, told Climate Home News he was not surprised by this, given that the coalition government has a secure majority.

    A complaint has been made to the UN special rapporteur on climate change and human rights by Smith, the National Iwi Chairs Forum Pou Tikanga and youth coalition Climate Clinic Aotearoa over what they see as the government’s heavy-handed approach. Smith is also challenging the new law in yet another lawsuit.

    “Pathetic”: New Zealand plans to barely cut emissions between 2030 and 2035

    Bookman thinks it “very unlikely” that such a challenge will succeed, noting that New Zealand’s constitution is firmly anchored in parliamentary sovereignty.

    But the expert in climate law does not see the bill as the end of legal action in the country, noting that New Zealand has a “sophisticated climate litigation landscape with a growing number of specialist and experienced lawyers and NGOs”.

    The country is also approaching its next general election in November, and some opposition parties have pledged to restore access to the courts if elected.

    Amanda Larsson, global project lead on agriculture for Greenpeace International, said: “This law deserves to be tested, and I strongly encourage the international climate litigation community to unite and help defend New Zealanders’ fundamental right to hold polluters accountable before this becomes a global blueprint.”

    Copycat legislation on the rise

    New Zealand’s move is part of a small but growing legislative effort to shut down climate litigation around the world.

    In the US, Republican politicians introduced legislation in the House and Senate in April that would shield fossil fuel firms from climate liability lawsuits. Similar laws have already been passed at state level in Tennessee, Utah, Iowa and Louisiana.

    The German state of Bavaria has put forward a similar proposal to the Federal Council, aiming to block private climate claims as well as the recognition and enforcement of foreign judgments imposing such liability. There are also proposals to limit available remedies and actions in the Netherlands and Belgium.

    UN General Assembly backs “climate obligations” set by world’s top court

    Bookman said he expects more efforts to counter climate damages litigation and advised plaintiffs to think about how to respond, including drawing on broader support in opposing them.

    “Even though it’s very hard for plaintiffs to win these types of cases, companies are very eager to avoid the expense, embarrassment and political accountability that come even with unsuccessful lawsuits,” he said.

    The post New Zealand moves to protect business with law curtailing climate litigation appeared first on Climate Home News.

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    Indonesia’s nickel production cuts are not enough to create a sustainable industry 

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    Bhima Yudhistira Adhinegara is the Executive Director of the Center of Economic and Law Studies (CELIOS), an Indonesia-based economic think tank. Muhammad Zulfikar Rakhmat is the Director of the China-Indonesia desk at CELIOS. 

    Indonesia produces around 60% of the world’s nickel, a metal used to manufacture batteries for electric vehicles (EVs) – more than any other country in the world. But in 2026, the government sharply reduced how much of its nickel can be extracted from the ground.

    Production quotas were reduced by around 40% this year compared to 2025. Weda Bay, the largest nickel mine on Earth, had its allowance cut by more than 70% and exhausted its full-year quota by the end of May, halting mining entirely; it cannot resume large-scale extraction until next year unless regulators grant an extension.

    The policy has sparked a vivid debate in Indonesian policy circles: how can the country shift its strategy from a decade of mining vast quantities of cheap nickel to producing a high-value and low-carbon material that the rest of the world wants for EV batteries.

    The cuts aren’t a silver bullet to clean up Indonesia’s nickel industry, whose smelters are powered by coal – the most polluting fossil fuels. But alongside stricter enforcement of environmental rules, it is one side of efforts to produce more sustainable nickel for a premium.

    Restricting Indonesia’s nickel output

    Production quotas were introduced to stop the collapse of nickel prices because of oversupply in the market. Prices had fallen more than 40% in 2023 alone and kept sliding as Indonesian supply kept growing, hitting a four-year low of around $13,900 a ton in late 2025.

    Critics called the recent tightening of production quotas proof that Indonesia’s nickel strategy has failed, arguing that the industry shouldn’t need to throttle its own output to survive. But when assessed against what the policy was supposed to do – push up nickel prices – it has worked. Prices jumped to $20,000 a ton in May, the highest since 2024.

      Chinese industry groups representing companies that have invested billions to mine and refine the country’s nickel were furious, warning Indonesia’s president Prabowo Subianto that the cuts put $50 billion worth of investment at risk. But much of that Chinese capital is sunk into smelters and processing plants built specifically to run on Indonesian ore, and cannot simply be moved elsewhere. That gives Jakarta more room to hold its ground than the warning suggests.

      Stronger environmental enforcement

      Since the start of the year, Indonesia’s forestry task force has seized more than four million hectares of land from mines and plantations operating illegally in protected forests, collecting over two trillion rupiah ($113 million) in fines.

      This included 148 hectares seized from Weda Bay for lacking a forestry permit. The share of nickel produced from illegal small-scale mining also fell from about a quarter in 2022 to roughly 10% by 2024.

      The crackdown responds to serious environmental damages in the nickel industry. On Obi Island, a waste pond collapsed after heavy rain in June 2025, flooding three villages and killing a resident. Internal company tests found chromium-6 – a carcinogen – in the water, in quantities far above the legal limit. The footprint of another mine near Raja Ampat, which is home to some of the world’s richest coral reefs, grew 60-fold in just eight years.

      A coastal village is wedged between the sea and a large nickel mine in Indonesia
      The fishing villages of Tapunggaya in Sulawesi, Indonesia, are squeezed between the sea and an expanding nickel mine (Photo by Garry Lotulung/NurPhoto)

      The market is responding to early cleanup efforts. Low-carbon nickel now sells for a real premium, roughly $18,800 to $19,300 a ton compared with $17,900 to $18,300 otherwise, as carmakers seek to source cleaner materials to comply with the European Union’s new emissions rules for imports.

      In turn, this is incentivising the industry to do more to green its operations. Vale Indonesia’s smelter in South Sulawesi now runs almost entirely on hydropower, for example.

      None of this addresses coal use, however. Major Indonesian nickel producers still emitted an estimated 15 million metric tons of greenhouse gases in 2023. Indonesia may be cracking down on illegal mining and rewarding cleaner producers but it is still running its mines on the dirtiest fuel available.

      Unequal benefits

      For Indonesia to truly benefit from producing cleaner and high-value nickel, it needs to reap the economic benefits too. Although the industry has boosted the country’s economic growth, the reality on the ground tells a different story.

      Konawe in Southeast Sulawesi is home to a major smelting complex. Growth in the district jumped from 6% to 22% between 2015 and 2023, driven almost entirely by the nickel industry, according to a study by the Lowy Institute study. At the same time, poverty levels increased slightly and unemployment remained unchanged.

        In Halmahera, another epicentre of the nickel industry, spending by the poorest fifth grew just 5% between 2019 and 2022, compared with 28% for the wealthiest fifth, according to a separate study.

        Part of the reason for this inequality is the system for transferring mining royalties to district authorities where the mines are located. In theory, they are entitled to the largest share. But in practice, payments are delayed, companies routinely dispute what they owe and royalties are pooled and distributed across a larger area.

        The Natural Resource Governance Institute has found that decentralisation handed local governments power to approve new mines faster than they could build their capacity to manage them. Higher output raises national income on paper, but local governments remain constrained by fiscal rules and infrastructure costs that scale with mining.

        None of this makes the 2026 quota cuts a mistake. Indonesia has every right to defend its pricing power over a resource it controls. But limiting extraction isn’t going to fix underlying issues around environmental enforcement and revenue-sharing. That requires rules that are consistently enforced, royalties that reach communities living by the mines, and a plan to wean smelters off coal.

        The post Indonesia’s nickel production cuts are not enough to create a sustainable industry  appeared first on Climate Home News.

        Indonesia’s nickel production cuts are not enough to create a sustainable industry 

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