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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. This is the last edition of Cropped for 2025. The newsletter will return on 14 January 2026.

Key developments

High Seas Treaty enters force

OCEAN BOOST: The High Seas Treaty – formally known as the “biodiversity beyond national jurisdiction”, or “BBNJ” agreement – entered into force on 17 January, following its ratification by 60 states, reported Oceanographic Magazine. The treaty establishes a framework to protect biodiversity in international waters, which make up two-thirds of the ocean, said the publication. For more, see Carbon Brief’s explainer on the treaty, which was agreed in 2023 after two decades of negotiations.

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DEEP-SEA MINING: Meanwhile, the US – which is not a party to the BBNJ’s parent Law of the Sea – is pushing on with an effort to accelerate permitting for companies wanting to hunt for deep-sea minerals in international waters, reported Reuters. The newswire described it as a “move that is likely to face environmental and legal concerns”.

UK biodiversity probe

SECURITY RISKS: The global decline of biodiversity and potential collapse of ecosystems pose serious risks to national security in the UK, a report put together by government intelligence experts has concluded, according to BBC News. The report was due to be published last autumn, but was “suppressed” by the prime minister’s office over fears it was “too negative”, said the Times.
COLLAPSE CONCERNS: Following a freedom-of-information (FOI) request, the government published a 14-page “abridged” version of the report, explained the Times. A fuller version seen by both the Times and Carbon Brief looked in detail at the potential security consequences of ecosystem collapse, including shifting global power dynamics, more migration to the UK and the risk of “protests over falling living standards”.

News and views

  • OZ BUSHFIRES: Bushfires continued to blaze in Victoria, Australia, amid record-breaking heat, said the Guardian. A recent rapid attribution analysis found that the “extreme” Australian heat in early January was made around five times more likely by fossil-fuelled climate change.
  • MERCO-SOURED: On 17 January, the EU signed its “largest-ever trade accord” with the Mercosur bloc of countries – Argentina, Brazil, Paraguay and Uruguay – after 25 years of negotiations, per Reuters. On 21 January, amid looming new US sanctions, EU lawmakers voted to send the pact to the European Court of Justice, which could delay the deal by almost two years, according to the New York Times.
  • SOY IT ISN’T SO: Meanwhile, the Guardian reported that UK and EU supermarkets have “urged” traders who had “abandoned” the Amazon soya moratorium to stick to its core principles: “not to source the grain from Amazon land cleared after 2008”. 
  • WATER ‘BANKRUPTCY’: A new UN report warned that the world is facing irreversible “water bankruptcy” caused by overextracting water reserves, along with shrinking supplies from lakes, glaciers, rivers and wetlands, Reuters reported. Lead author Prof Kaveh Madani told the Guardian that the situation is “extremely urgent [because] no one knows exactly when the whole system would collapse”.
  • KRUGER UNDER WATER: Flood damages to South Africa’s Kruger National Park could “take years to repair” and cost more than $30m, said the country’s environment minister, quoted in Reuters. Rivers running through the park “burst their banks” and submerged bridges, with “hippos seen…among treetops”, it added.
  • FORESTS VS COPPER: A Mongabay report examined how “community forests stand on the frontline” of critical-minerals mining in the Democratic Republic of the Congo’s copper-cobalt belt.

Spotlight

Nature’s coast guard, with backup

This week, Cropped speaks to the lead author of a new study that looks at how – and where – mangrove restoration can be best supported across the world.

Along Mumbai’s smoggy shoreline, members of the city’s Indigenous Koli community wade through the mangroves at dawn to catch fish. Behind their boats, giant industrial cranes whir to life, building new stretches of snaking coastal highway that blot out the horizon.

Mumbai’s mangrove cover is possibly the highest for any major city. With their tangled, stilt roots, mangrove species serve as a natural defence for a city that experiences storm surges and urban flooding every year. These events disproportionately affect the city’s poor – particularly its fishing communities.

This mangrove buffer is being increasingly threatened, as the city chooses coastal roads and other large development projects over green cover, despite protests. But can green and grey infrastructure coexist to protect vulnerable communities in a warming world? 

A new global-scale assessment published last week tallied the benefits of mangrove restoration for flood risk reduction, factoring in future climate change, development and poverty.

It advanced the idea of “hybrid” coastal defence measures. These combine pairing tropical ecosystems with modern, engineered defences for sea level rise, such as dykes and levees.

When Carbon Brief contacted lead author and climate scientist Dr Timothy Tiggeloven of Vrije Universiteit Amsterdam, he was in Kagoshima in Japan, home to the world’s northernmost mangrove forests. Why combine mangroves and dykes? Tiggeloven explained:

“Mangroves are like active barriers: they reduce incoming energy from waves, but they will not stop the water coming in from storms, because water can flow through the branches. But wave energy can still be overtopped. So if you reduce wave energy via mangroves and have dykes behind this, they very much have a synergy together and we wanted to quantify the benefits for future adaptation.”

According to the study, if mangrove-dyke systems were built along flood-prone coastlines, mangrove restoration could reduce damages by $800m a year, with an overall return-on-investment of up to $125bn.

It could also protect 140,000 people a year from flood risk – and 12 times that number under future climate change and socioeconomic projections, the study said.

According to the study, south-east Asia could reap the “highest absolute benefits” from mangrove restoration under current conditions. Countries that could see the “highest absolute potential risk reduction” – considering future climate damages in 2080 – are Nigeria ($5.6bn), Vietnam ($4.5bn), Indonesia ($4.3 bn), and India ($3.8bn), it estimated.

Maharashtra – which Mumbai serves as the state capital for – is one of two subnational regions globally that could reap the largest benefits of restoration.

Tiggeloven emphasised that the goal of the study was to examine how restoration impacts people, “because if we’re looking only at monetary terms, we’re only looking at large cities with a lot of assets”, he told Carbon Brief.

A pattern that his team found across multiple countries was that people with lower incomes are disproportionately living in flood-prone coastal areas where mangrove restoration is suitable. He elaborated:

“Wealthier areas might have higher absolute damages, but poor communities are more vulnerable, because they lack alternatives to easily relocate or rebuild, so the relative impact on their wellbeing is much greater.”

Poorer rural coastal communities with fewer engineered protections, such as sea walls, could benefit the most from restoration as an adaptive measure, the study found. But as the study’s map showed, there are limits to restoration. Tiggoloven concluded:

“We also should be very careful, because mangroves cannot grow anywhere. We need to think ‘conservation’ – not only ‘restoration’ – so we do not remove existing mangroves and make room for other infrastructure.”

Watch, read, listen

DU-GONE: A feature in the Guardian examined why so many dugongs have gone missing from the shores of Thailand.

WILD LONDON: Sir David Attenborough explored wildlife wonders in his home city of London. The one-off documentary is available in the UK on BBC iPlayer.

GREAT BARRIER: A Vox exclusive photo-feature looked at the “largest collective effort on Earth ever mounted” to protect Australia’s Great Barrier Reef.
‘SURVIVAL OF THE SLOWEST: A new CBC documentary filmed species – from sloths to seahorses – that “have survived not in spite of their slowness, but because of it”.

New science

  • Including carbon emissions from permafrost thaw and fires reduces the remaining carbon budget for limiting warming to 1.5C by 25% | Communications Earth and Environment
  • Penguins in Antarctica have radically shifted their breeding seasons in response to rising temperatures | Journal of Animal Ecology
  • Increasing per-capita meat consumption by just one kilogram a year is “linked” to a nearly 2% increase in embedded deforestation elsewhere | Environmental Research Letters

In the diary

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 28 January 2026: Ocean biodiversity boost; Nature and national security; Mangrove defence appeared first on Carbon Brief.

Cropped 28 January 2026: Ocean biodiversity boost; Nature and national security; Mangrove defence

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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.

    New Zealand moves to protect business with law curtailing climate litigation

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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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