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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

Global extremes

RECORD HEAT: Multiple countries experienced record heat this week. Nordic countries were hit by a “truly unprecedented” heatwave, where temperatures reached above 30C in the Arctic Circle and Finland endured three straight weeks with 30C heat, its longest heat streak in records going back to 1961, said the Guardian. Reuters reported that the United Arab Emirates (UAE) is facing “surging temperatures this summer”, following its hottest spring ever.

FIRE WEATHER: Some 81 million Americans were under air quality alerts as hundreds of wildfires burned across Canada and parts of the US, reported the Guardian. Meanwhile, a “massive” wildfire in California has “become the biggest blaze in the state so far this year” amid an intensifying heatwave, reported the Associated Press.

TORRENTIAL RAIN: A “torrent of mud” has killed at least four people in the northern Himalayan state of Uttarakhand, Reuters reported. According to the Times of India, “more than one cloudburst” hit the high-altitude district of Uttarkashi on Tuesday, triggering flash floods. It added that cloudburst risks in the Himalayan region are “projected to increase with climate change”. Meanwhile, Taiwan News said that “torrential rain in central and southern Taiwan over several days has left three dead, four missing, 49 injured and prompted 85 rescues”. Flash floods in a Myanmar-China “border town” have killed six people, according to the Straits Times.

Around the world

  • COP30 CHAOS: After significant delays and pressure from a UN committee, Brazil has finally launched the official accommodation platform for COP30, Climate Home News reported. It added that “significant markups and sky-high prices remained”. 
  • MORE TARIFFS: Donald Trump has increased tariffs on imports from India to 50% as “punishment” for the country buying Russian oil, the New York Times reported. 
  • CORAL BLEACHING: The Guardian said that the Great Barrier Reef suffered its biggest annual drop in live coral since 1986 in two out of the three areas that are monitored by scientists..
  • ENDANGERED: Top scientific advisers in the US have announced that they will “conduct an independent, fast-track review of the latest climate science” following the Trump administration’s move to repeal the “endangerment finding”, the scientific basis for federal climate regulations, Inside Climate News reported.

10,000

The number of glaciers in the Indian Himalayas that are “​​receding due to a warming climate”, according to Reuters.


Latest climate research

  • Ecosystem restoration should be “pursued primarily” for biodiversity, supporting livelihoods and resilience of ecosystem services, as “climate mitigation potential will vary” | Nature Geoscience 
  • Attendees at the 2024 UN Environment Assembly “underestimate global public willingness to contribute 1% of their personal income to climate action” | Communications Earth & Environment 
  • Urban green spaces can lower temperatures by 1-7C and play a “crucial role in cooling urban environments” | Climate Risk Management

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

Captured

Carbon Brief’s in-depth explainer unpacked the findings of a recent analysis on climate anxiety in more detail. The analysis explored 94 studies, involving more than 170,000 participants across 27 countries, to find out who is more likely to be affected by climate anxiety and what its consequences could be. The analysis suggests that women, young adults and people with “left-wing” political views are more likely to feel climate anxiety.

Spotlight

Heat and fire in France

This week, Carbon Brief explores how France’s media has covered the impacts of recent heatwaves and wildfires.

“We’re used to high temperatures, but we’ve never experienced heat like this [so] early in the year before,” a family member who lives in the Dordogne area of southwest France explained during a recent visit to the country.

Over recent weeks, there have been extreme heatwaves and fires across Europe, which has set new records across the continent, including in France.

France is now gripped once again by extremes. The country is currently experiencing yet another heatwave and this week faced its “largest wildfire in decades”, according to France24.

French climate scientist Dr Olivier Boucher, who is also the CEO of Klima consulting, told Carbon Brief:

“Climate change is already having visible and significant impacts in France. Heatwaves are becoming more frequent, more intense, and are occurring earlier in the season.

“This trend is accompanied by an increased risk of wildfires, particularly in southern regions, though other areas are also increasingly affected, putting the built environment at risk.”

Red alerts

In July, nearly 200 schools closed or partially closed as a result of high temperatures across the country.

Since the start of the summer, water reserves have been under close surveillance and multiple areas are facing water restrictions as a result of drought.

These water restrictions can include the use of tap water and violations can incur fines of €1,500 (£1,300). According to Le Monde, more than a third of the country is under drought alerts.

France has also experienced a “devastating summer” for fire outbreaks, according to FranceInfo. Traditional firework displays celebrating France’s Bastille day on 14 July were cancelled across the country due to forest fire risks, said Le Monde.

Firefighters battling a wildfire in southern France on 5 August. Credit: Associated Press
Firefighters battling a wildfire in southern France on 5 August. Credit: Associated Press / Alamy Stock Photo

On 4 August, the local area of Aude, situated in the south-east, was placed under a red alert for forest fire risks.

Since then, there have been record-breaking fires in the region. BBC News reported that fires have “scorched an area larger than Paris”. The broadcaster added that the country’s prime minister, François Bayrou, linked the fires to global warming and drought, describing them as a “catastrophe on an unprecedented scale”.

Needing to adapt

Le Point explained how heatwaves impact grape vines and how winemakers have adapted their growing techniques by leaving more leaves on vines to protect the grapes from getting burned by the sun. However, it added that, “in the long run, it is necessary to think about more long-term modifications of viticulture”.

FranceInfo told the story of winegrowers losing their crops, worth millions of euros, in the recent fires in southern France, adding that it is “a real economic disaster for farmers affected by the flames”.

Le Monde interviewed French geographer Dr Magali Reghezza-Zitt, who described the nation’s preparations for dealing with climate change as inadequate. She told the newspaper:

“The gap between what needs to be done and the pace at which climate change is accelerating grows wider each year.”

Boucher added to Carbon Brief:

“All economic sectors are impacted by climate change, with agriculture among the most vulnerable. As the warming trend is projected to continue over the coming decades, adaptation will be essential – both through the climate-proofing of infrastructure and through changes in practices across sectors.”

Watch, read, listen

‘GRASSROOTS ALLIANCE’:  A Deutsche Welle documentary explained how unions, activists and the India Meteorological Department have joined forces to protect Delhi’s informal workers from extreme heat.

NEW RULES: A Bloomberg article said that South Africa “will seek jail time, fines and higher taxes for breaches of proposed rules to govern carbon emissions” as part of new efforts to reduce the country’s dependency on coal. 

SUSTAINABLE AI?: As the AI race intensifies, the Financial Times investigated if data centers can “ever truly be green”.

Coming up

Pick of the jobs

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

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The post DeBriefed 8 August 2025: Arctic heatwave; Climate anxiety deep-dive; France’s wildfire crisis appeared first on Carbon Brief.

DeBriefed 8 August 2025: Arctic heatwave; Climate anxiety deep-dive; France’s wildfire crisis

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Climate Change

‘Blue COP31’ set to spotlight need for ocean protections amid record heat

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As an extreme El Niño breaks marine temperature records, COP31 is set to boost the profile of the ocean’s role in solving climate change, but finance and clear conservation measures will be needed for it to move the needle, experts said.

The Turkish presidency has announced plans for an Antalya Ocean Declaration that recognises the centrality of the global ocean – the world’s largest carbon sink – in regulating the climate and minimising the now unavoidable overshoot of global temperatures above 1.5C over pre-industrial levels.

Meanwhile, as part of the formal UN negotiations, Australia has announced plans to land a cover decision in Antalya, which, according to veteran former US negotiator Sue Biniaz, would be the only section of the formal negotiations where the role of oceans could be included.

She added that an outcome at COP31 seems likely, given the initiative from both presidencies and a push from over 100 countries – including Brazil, the EU and the African Group of countries – calling for the UN negotiations to deliver a plan for implementing ocean measures.

Governments will arrive in Antalya with a “super El Niño” adding stress to marine ecosystems and expected to continue to intensify until December 2026, with parts of the Pacific averaging almost 30C (86F) – over 3C more than normal – in October, according to monthly EU sea temperature data.

    Needs for ocean conservation and funding

    While elevating the ocean agenda is “critical”, it must lead to funding for ocean conservation and a clear plan for reaching the global target – set at UN biodiversity talks in 2022 – of protecting 30% of the global ocean by 2030, said Pradeep Singh, senior ocean governance expert at Oceano Azul Foundation.

    The ocean is precisely where governments are farthest off track from meeting this target – informally known as the 30×30 goal. Even if countries meet all their nature conservation plans, only about 12% of the global ocean would be protected, the UN says.

    “Acknowledgment of marine protected areas and the 30×30 target as climate infrastructures will certainly boost efforts and funding for science and management,” Singh told Climate Home News.

    Shamini Selvaratnam, director of international climate and clean energy at Ocean Conservancy, said an ocean commitment that makes a difference in coastal communities “takes funding, local capacity and support that countries can actually access”.

    An analysis by climate think tank Zero Carbon Analytics shows that investment in the blue economy – through activities like sustainable fisheries or cleaner shipping – is only at about 2% of the needs, which are estimated at $550 billion per year.

    Divers survey the extent of bleaching in the Chagos archipelago (Credit: Living Oceans Foundation)

    Following-through on commitments

    Selvaratnam added that countries must also establish mechanisms to follow through on these measures, which currently only exists in the form of a non-binding dialogue that is not expected to produce any negotiated agreements.

    She said that countries at COP31 must find ways for their ocean commitments to inform the next global stocktake, the UN’s five-yearly review of progress on climate action. Some countries – including African countries, Latin American nations, small island states and the European Union – have backed a process that culminates in the next global stocktake.

    At climate negotiations, countries are not mandated to include ocean conservation measures in their climate plans. But a group of countries led by France and Brazil is pushing them to do so voluntarily through an initiative called Blue NDC Challenge. Seventeen countries have joined the initiative so far.

    In its list of COP31 priorities, the EU has called for the “critical role” of oceans to be recognised, but falls short of calling for any specific actions to feature marine action more prominently in climate plans.

    As part of their demands, ocean campaign groups have called for the establishment of an “Antalya Ocean Compact”, a platform where countries can coordinate efforts across different environmental treaties, including the UN climate, biodiversity and high seas negotiations.

    Ultimately, Selvaratnam said a strong deal “must accelerate emissions cuts, clean energy, and a transition away from fossil fuels, including offshore oil and gas”.

    Ilana Seid, chair of the AOSIS group of small island states and permanent representative of Palau to the UN, said during a press briefing last week that “meaningful progress” on emissions reduction is “the best way” to alleviate stress on the ocean.

    The post ‘Blue COP31’ set to spotlight need for ocean protections amid record heat appeared first on Climate Home News.

    ‘Blue COP31’ set to spotlight need for ocean protections amid record heat

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    Climate Change

    Nepal seeks stronger recognition of mountain issues in UN climate process

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    In the wake of its recent glacial flooding disaster, Nepal and the kingdom of Bhutan have proposed a new agenda item on mountains and climate change for the COP31 summit which opens on Monday in the Turkish city of Antalya.

    In a submission addressed to the COP31 presidency and the head of the UN climate secretariat (UNFCCC), Nepal said the agenda item, entitled “1.5°C Warming in Mountains”, is an effort to strengthen the response of the international community to the climate risks facing the world’s mountain regions.

    The item proposes that mountain issues should become a regular part of the formal UN climate change process, with a focus on scientific assessment of the risks associated with warming overshooting 1.5C, an annual high-level dialogue, a dedicated work programme and improved access to climate finance.

    Maheshwar Dhakal, chief of the climate change management division of Nepal’s Ministry of Agriculture, Forests and Environment, told Climate Home News that Himalayan countries face similar problems such as collapsing glaciers and flooding from glacial lakes. 

    “We are trying to bring all Himalayan countries together under this agenda item,” he said.

    COP31 Briefing: What to expect from the Antalya climate summit?

    At this year’s UN General Assembly, Nepal’s Prime Minister Balendra Shah called for strong global action to ensure climate justice and proposed creating a Himalayan Climate Resilience Mechanism led by India, China and Nepal. It would share satellite data, monitor glacial slopes and lakes, strengthen early warning systems and coordinate cross-border disaster response.

    Nepal has experienced significant infrastructure losses and human casualties from flooding every year since 2020. In late August, the collapse of a glacial slope on the border with Tibet caused a torrent of water and debris to course down the Bhote Koshi River, leaving more than 6,000 people dead or missing.

    According to a government needs assessment, the disaster caused an estimated $2.7 billion in physical damage and economic losses, while around $4.8 billion will be required for recovery and reconstruction.

    More research needed on threats

    Although high mountain regions are known to be fragile ecosystems, especially as global warming accelerates glacier melt, the extent of their vulnerability is still not fully understood. When the devastating Bhote Koshi floods hit, it opened the eyes of the world to the risks.

    Dhakal said the Bhote Koshi floods “have proved the impacts of climate change in the Himalayan region”, which were linked to rising temperatures by scientists with the World Weather Attribution group. “Therefore, Nepal wants scientific studies, research and political discussions on mountain climate risks to receive greater attention at international climate conferences,” he added.

    Nepal has been making efforts on this front since 2009, when it held a cabinet meeting at Kalapatthar near Mount Everest. Since COP28 in Dubai, Nepal has organised high-level events and dialogues on mountain issues at COPs and is co-hosting one at COP31 with Bhutan, Pakistan, Kyrgyzstan and Tajikistan.

    Editor’s Desk: Nepal’s disaster has laid bare the world’s adaptation accountability gap

    Dhakal said the dialogues held so far have raised awareness, but mountain concerns must become part of the formal UN climate process to unlock climate finance and technical support that can bolster countries’ capacity to tackle climate threats.

    If specific indicators and priorities are developed for mountain regions, vulnerable developing countries like Nepal would have better access to finance to help them adapt to the climate warming they have done very little to cause, he added.

    More detailed data would enable them to prepare stronger project proposals for international climate funds, including the Green Climate Fund (GCF). In 2025, the GCF backed a project to protect livelihoods from climate-induced flooding in Nepal but it took seven years to get approval.

    Sindhu Dhungana, an alternate board member at the GCF, said the problem is becoming more widespread and urgent for the Hindu Kush Himalaya region.

    “The economies, cultures and almost everything in Himalayan countries depend on mountains,” he explained. “For us, climate change is mountain change… [it has] affected everything, including the economy and biodiversity.”

    Debris and mud cover buildings in DevGhat village in Nepal (Photo: Ritesh Shukla/Getty Images)

    Debris and mud cover buildings in DevGhat village in Nepal (Photo: Ritesh Shukla/Getty Images)

    Destroyed development projects

    Nepal wants the UN climate process to address mountain risks both before and after disasters. Countries need better research, technology, early warning systems and other adaptation measures to protect people and infrastructure. But even when countries take precautions, loss and damage is likely to occur and will require international support to address it.

    Nepal has been provisionally allocated $21.6 million from the United Nations’ new Fund for Responding to Loss and Damage (FRLD) to help with the aftermath of the Bhote Koshi disaster, but this is just a fraction of needs and the money will come only months after it made an initial request.

    Dhakal pointed to the damage caused by floods to infrastructure built with loans,