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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

Net-zero media storm

NET-ZERO ATTACKED: The UK’s Labour government had to defend its net-zero policies after comments by former prime minister Tony Blair in a thinktank report sparked a frenzied media storm. Former Labour leader Blair said the world’s current approach to tackling climate change is “failing”, the Independent reported. (More accurately, Blair stated that “phasing out fossil fuels in the short term…is doomed to fail”, rather than at all, as highlighted in a factcheck by Carbon Brief’s Simon Evans on social media.)

MEDIA FRENZY: Blair’s comments were featured prominently – and inaccurately – by the UK’s climate-sceptic right-leaning media. In frontpage coverage, the Daily Telegraph described Blair’s comments as a direct “attack” on prime minister Keir Starmer, despite acknowledging in its coverage that Blair did not mention the UK. A frontpage Times story called Blair’s intervention the “latest sign that the mainstream consensus on green policies is collapsing”. (Carbon Brief has just published an analysis showing the same media have published 65 editorials attacking energy secretary Ed Miliband in the first four months of 2025.)

‘CLUMSY’ CRITICISM: BBC News reported that Starmer has since defended his net-zero policies in parliament. According to the Guardian, Downing Street “forced” Blair to “row back from his criticism”, after “furious Labour politicians warned he had given a boost to Tory and Reform on the eve of the local elections”. A former employee of Blair called his intervention “clumsy” and his ideas “expensive” and “unpopular” in Prospect magazine.

Around the world

  • CANADA FOR CARNEY: Mark Carney’s Liberal party won this week’s Canadian elections, Climate Home News reported. The outlet said that Canadians chose the  “former central banker and UN climate envoy” over the “anti-climate action Conservative party of Pierre Poilievre”.
  • 100 DAYS: As the Guardian and other outlets covered Donald Trump’s first 100 days in office, the New York Times reported that his administration had dismissed hundreds of experts working on the country’s National Climate Assessment report.
  • UPHILL BATTLE: The COP30 president has “admitted” that this year’s talks will be a “slightly uphill battle” due to economic turmoil and Trump’s removal of the US from the Paris Agreement, the Guardian reported. 
  • AIRLINE EMISSIONS: European airline emissions are on course to exceed pre-pandemic levels this year, according to the Financial Times.
  • NEW NORMAL: Much of India and Pakistan is “sweltering” under early heatwaves, the Guardian reported. The newspaper highlighted that a Pakistani city in Sindh province recorded temperatures of 50C – nearly 8.5C above the April average.

38%

The percentage of global losses from “natural catastrophes” that were insured in 2023, according to a report by Zurich Insurance Group. The analysis found total losses of $280bn.


Latest climate research

  • A combination of climate change and failure to meet sustainable development goals could contribute to an increase in global antimicrobial resistance by 2050, according to a study published in Nature Medicine.
  • A paper published in Science Advances found that “co-exposure” to extreme heat and wildfire smoke has increased across 11 states in the western US over 2006-20.
  • Just 2% of the UK Climate Change Committee’s (CCC’s) recommendations to the UK government over 2009-20 were accepted in full, according to new research published in Climate Policy

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

Captured

Electricity generation capacity in Spain, megawatts (MW), from 27-29 April, showing the drop in generation.

On Monday, a blackout across most of Spain and Portugal plunged the countries into chaos. While the initial trigger remains uncertain, the nationwide blackouts took place after around 15 gigawatts (GW) of electricity generating capacity – equivalent to 60% of Spain’s power demand at the time – dropped off the system within the space of five seconds (as illustrated above). At the time, solar accounted for 59% of the country’s electricity supplies, wind nearly 12%, nuclear 11% and gas around 5%. As the crisis was still unfolding, many media outlets were quick to blame renewables, net-zero or the energy transition for the blackout, despite very little available data or information. Carbon Brief has examined what is currently known about the power cuts and how the media has responded.

Spotlight

Trump’s ‘cascading’ impact on European climate science

This week, scientists attending the European Geosciences Union meeting in Vienna tell Carbon Brief how cuts to science funding and the dismantling of climate agencies in the US is impacting their work.

Dr Shouro Dasgupta, environmental economist at Fondazione CMCC in Italy:

“Trump’s decision to cut funding on climate science in the US will likely have cascading effects on both European research and global climate resilience. The transatlantic partnership is built on shared values and decades of cooperation. It has been crucial for advancing global understanding of climate change through joint efforts in Earth observation, including data infrastructure and joint policy innovation.

For example, several European Centre for Medium-Range Weather Forecasts products that rely on National Oceanic and Atmospheric Administration (NOAA) data streams will now face gaps in input data.

A major loss has been the defunding of Famine Early Warning Systems Network – a critical system that operated in more than 30 famine-prone countries and was the only consistent source of regular famine and food insecurity early warning.

Trump’s actions will slow our ability to understand and respond effectively to the climate crisis, a loss that, ultimately, impacts everyone.”

Dr Carl Schleussner, climate scientist at the International Institute for Applied Systems Analysis in Austria:

“I’m concerned about the credibility of science and communication. Attacks on science and scientific integrity are being driven by social media and alternative media platforms – and artificial intelligence (AI) systems can generate something that looks like a scientific paper, [but] is complete rubbish. [AI] basically drives down the cost of fakes to zero. We are running a heightened risk of climate misinformation.

Trump’s special advisor [Elon Musk] owns one of the largest social media networks and Grok [an AI system] can produce something like a paper in no time. Trying to undermine [science] by flooding the zone with sh*t is a declared strategy – and it is the total antithesis to science.

It is one thing to rebut people that are paid to ask stupid questions about the validity of climate science, as we’ve done for decades. [But it is another] to fight an AI system that produces all this bullsh*t in no time. As a scientific community, we are not equipped to fight back…I hope other actors in society are thinking about how to support climate science and the integrity of science and its role in society.”

Dr Eva Pfannerstill, atmospheric chemist at Forschungszentrum Jülich in Germany:

“The NOAA cuts are definitely impacting the air-quality research community and rippling to Europe. For several months this year, our NOAA colleagues were not allowed to join online meetings with us anymore, stalling the fruitful discussions and collaborations we have had for many years. One NOAA colleague was supposed to give an invited talk at EGU, but he was not allowed to travel.

Thinking back to last year’s EGU where we hung out with many NOAA colleagues, it was such a short time ago – but seems almost like another era where trans-Atlantic scientific cooperation and US leadership in atmospheric research were a given. Now our US colleagues are scared – scared to put anything in writing that could be used against them, scared of losing their funding and/or jobs.”

Prof Sonia I Seneviratne, climate scientist at the Institut für Atmosphäre und Klima at ETH Zurich in Switzerland and Intergovernmental Panel Climate Change Working Group 1 vice chair:

“The current attacks on climate research in the US are extremely concerning. A full generation of young researchers have been fired from their positions and are unlikely to stay in climate research. While some might move to Europe or other continents, it is not in the interest of the global climate research community to see such a weakening and even a destruction of climate research in the US.

While some decisions against climate research institutions and researchers might be annulled by the courts, several might be near impossible to reverse. For instance, buildings [that] will no longer be available for research institutions and researchers [that] move on to other positions out of concerns for their job security.

Attacks on climate science won’t change the facts and the reality of climate change – but they weaken our possibilities to address the climate crisis.”

Watch, read, listen

POWER PLAYER: For Common Dreams, Bill McKibben claimed that Mark Carney knows “roughly 20 times” as much about climate and energy economics than any other leader.

CONNECTED CRISES: In a new book, Climate Injustice, climate scientist Dr Friederike Otto argued that global justice is at the core of the solution to climate change.

SONG AND SEED: Al Jazeera ran a long-read about efforts led by Brazil’s Indigenous Maxakali community to protect and restore the rainforest in Minas Gerais.

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 2 May 2025: Iberian blackout; Tony Blair’s ‘clumsy’ comments; Trump’s ‘cascading’ impact on European climate science appeared first on Carbon Brief.

DeBriefed 2 May 2025: Iberian blackout; Tony Blair’s ‘clumsy’ comments; Trump’s ‘cascading’ impact on European climate science

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Bonn Bulletin: Tackling climate crisis is “hardest” challenge ever, Stiell says

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Kicking off proceedings at the mid-year climate talks in Bonn amid fraught global geopolitics, UN climate chief Simon Stiell told delegates that tackling the global climate crisis is “the hardest, but most important, thing humanity has ever tried to do together”.

Perhaps hoping to forestall the usual diplomatic wrangling that routinely bogs down the talks, he warned governments that there is no time to “re-open past debates or renegotiate commitments already made”.

Instead, he added, there is an imperative to accelerate real-world action as deadly heat intensifies and the fossil-fuel cost crisis sparked by the Iran war strangles economies, “taking a wrecking ball to lives and prosperity”. 

That message seemed to sink in with the negotiators in Bonn, where the opening session kicked off only an hour late and was not marred by agenda rows, which delayed the start of the talks by a day last year.

On bridging the gap between the negotiations and the real economy, Stiell called for elevating the Global Climate Action Agenda, a goal long promised but never fully delivered.

But, he added, Türkiye – working with Australia – is now building on the efforts by last year’s COP30 presidency to streamline this process into six thematic areas, including boosting energy and food security, curbing methane and strengthening the resilience of cities.

What to expect from the Bonn climate talks

Stiell was also keen to stress that the formal negotiations remain central to driving implementation of the Paris Agreement. He urged governments in Bonn to advance key issues including the Global Goal on Adaptation, the delivery of the outcomes of the first Global Stocktake and the development of a new just transition mechanism.

The first Global Stocktake was an assessment of countries’ collective progress in meeting the goals of the Paris Agreement, which led to a 2023 agreement to transition away from fossil fuels in energy systems and a 2030 goal to triple renewable energy, among other things.

Hinting at upcoming reforms to the UN climate regime – which has often been accused of failing to keep pace with advancements in the real world – Stiell said all institutions must continuously evolve and improve. The UN climate secretariat has heard countries’ calls to work more efficiently, support access to climate finance and reduce the reporting burden on governments, he added.

Türkiye to outline targets for Action Agenda

While Australia will run the negotiations at COP31, for co-host Türkiye – which is organising the talks in Antalya – the focus is on the so-called Global Climate Action Agenda. This is a sprawling smorgasbord of around 500 voluntary initiatives bringing together governments, businesses, investors, cities and civil society. It covers everything from strengthening power grids for clean energy, to restoring degraded forests and land, and reducing emissions from buildings.

COP31 President-Designate Murat Kurum told the opening session of the Bonn talks his team will present the “main framework” of the Action Agenda on Tuesday, adding it will be “based on concrete and tangible targets”. He also said Türkiye will announce a roadmap for translating what happens in the negotiations into the real world, which will ”point to a science-based process with highly clear and defined outcomes” and steps for getting there.

“In the second decade of the Paris Agreement, the COP31 Action Agenda will bring the outcomes of the first Global Stocktake to life, and we will make a strong start to the second decade,” Kurum said. 

In a joint letter issued in May, the two host nations said COP31 will be shaped as an “Implementation COP” and a “COP of the Future,” aimed at translating commitments into tangible and trackable progress. They outlined priority areas – to be achieved through the six axes of the Action Agenda defined ahead of COP30 – including electrification, zero waste, resilient cities, sustainable agriculture, green industrial transformation and climate finance.

Electrification emerges as COP31 priority

Chiming with this, Australia’s Chris Bowen, the COP31 president of negotiations, made the global energy transition the centerpiece of his opening intervention in Bonn.

This year’s climate summit, he said, must send investors and corporations the message that countries are “collectively committed” to building up renewable energy and reducing fossil fuel reliance. Fossil fuels were not directly mentioned in the main outcome at COP30 last year after countries failed to agree on developing a global transition roadmap, which Brazil is now putting together outside of formal negotiations.

Bowen, Australia’s minister of climate change and energy, said that, while energy crises like the one the world is going through now will become more frequent and more unpredictable, accelerating the shift to cleaner sources will “ease shocks to our energy systems”.

He identified progress on electrification as a priority for COP31, pointing to an assessment by the International Energy Agency (IEA) that electricity’s share of final energy consumption needs to reach 35% by 2035 to keep the 1.5C temperature goal in sight.

“In a world of geopolitical uncertainty and energy disruption, the transition is not a risk,” Bowen added, “it is the solution and an immense opportunity”.

The opening plenary at the June Climate Meetings in Bonn, June 8, 2026. (Photo: UN Climate Change/Lara Murillo)

The opening plenary at the June Climate Meetings in Bonn, June 8, 2026. (Photo: UN Climate Change/Lara Murillo)

Tensions around trade and climate surface again 

Over the weekend, it became clear that discussions on trade and climate would once again become a source of contention between countries – if not as explosively as they did at the start of the talks a year ago.

As agreed in the COP30 Global Mutirão decision, a series of dialogues on trade and climate will be held in Bonn yearly from 2026 to 2028. Climate Home News understands that the G77 + China has expressed discontent about the organisation of the first dialogue that will take place on June 13, because it plans to incorporate contributions from a range of organisations rather than just governments.

In a statement at the opening plenary, Uruguay, on behalf of the G77 group of developing nations, “encouraged Parties [countries] to engage constructively in the dialogue in a robust and structured manner”. Many in the Global South are concerned that international trade measures to make products greener, such as the European Union’s carbon levy on imports, could end up discriminating against them.

Russia warned during its opening statement that the new dialogue should not be used to create trade barriers.

Comment: Indonesia’s failing Just Energy Transition Partnership is a cautionary tale

Avantika Goswami, climate change and green economy programme manager at the India-based Centre for Science and Environment, told Climate Home News that the UN climate secretariat has been unclear and untransparent about what will be discussed at the dialogue. “We don’t know if observers and civil society are going to be able to contribute,” she added.

After the three mid-year dialogues, in 2028 there will be a high-level event for countries to exchange their views and experiences, and the officials in charge will have to present a report summarising these discussions.

At Monday’s opening session, Antwi-Boasiako Amoah, the Ghanian chair of the African Group of Negotiators, said it would be “important to provide clarity on how they intend to present the report” and suggested that the co-chairs of the Bonn talks should consult with countries on how best to do that. 

The post Bonn Bulletin: Tackling climate crisis is “hardest” challenge ever, Stiell says appeared first on Climate Home News.

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Bowen urged to lead with vision and ambition to accelerate fossil fuel phase out at Bonn climate meeting, as global energy crisis bites

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Bonn, Germany, Monday 8 June 2026 — As the UN climate negotiations in Bonn commence, Greenpeace Australia Pacific is calling on Climate and Energy Minister Chris Bowen to lead with vision and ambition to advance multilateral climate cooperation, and use his unique position to drive concrete progress at COP31 and ensure a meaningful partnership with the Pacific.

In the context of a global energy crisis and turbulent geopolitics, the Bonn Climate Change Conference will be a critical moment to sustain emerging political momentum towards a just transition away from fossil fuels. The midway point on the road to COP31 in Türkiye in November, Bonn will be the first time Minister Bowen has attended a major UN conference in his role as COP31 President of Negotiations.

The start of the Bonn meetings also marks 100 days since the illegal US-Israel war on Iran sparked a global energy shock and after 57 countries including Australia met in Santa Marta, Colombia in April for the world’s first conference on the transition away from fossil fuels — a landmark moment signalling political winds of change in the face of threats to multilateralism.

Speaking from Bonn, Dr Simon Bradshaw, COP31 Lead at Greenpeace Australia Pacific, said: “Amidst a global energy crisis, accelerating climate disasters and a looming super El Niño, the urgency to accelerate climate action and break free from fossil fuel dependence has never been clearer.

“Minister Bowen has been telling Australia and the world that we are in a global ‘fossil fuel crisis’, and that unhooking from fossil fuels is fundamental both to tackling the climate crisis and to ensuring secure and affordable energy. It’s time to match that message with a clear vision and agenda for COP31 — one that has the transition away from fossil fuels at its heart.

“As COP31 President of Negotiations, Australia has both the opportunity and responsibility to build on the momentum of COP30 in Belém and the recent landmark conference in Santa Marta on transitioning away from fossil fuels. This includes leading by example at home, with an immediate halt to new fossil fuel projects — including the mammoth proposed Browse gas project — and committing to develop a national roadmap away from fossil fuel production.”

“Few countries have as much skin the game as Australia: we are a country highly vulnerable to extreme heat, fires, floods and other impacts of climate change, we are suffering the consequences of fossil fuel dependency in terms of our energy security and affordability, but we have some of the world’s best renewable energy opportunities.

“Bonn is a key moment for the incoming Presidency to start shaping the vision, building the necessary trust, and actively setting priorities and expectations for the COP. We therefore hope and expect our Minister to be much more vocal and active in Bonn.

“Australia, in partnership with the Pacific, is taking the reins of global climate cooperation at a critical moment in the world’s transition away from fossil fuels. There is no more time to lose.”

Also in Bonn, Shiva Gounden, Head of Pacific at Greenpeace Australia Pacific, said: “Multilateral cooperation is the antidote to climate and geopolitical chaos. At Bonn, Pacific nations’ legacy of leadership from the frontlines of the climate crisis can be our guiding star as we build a more peaceful and secure world for all.

“We must build on the progress at Santa Marta and break the hold fossil fuels have on our global security and economies. Pacific nations are already facing the brunt of a global climate crisis, but now facing the compounding injustice of an energy crisis brought on by fossil fuel dependence. We did not create either of these crises, but are among the most exposed to both.

“The International Court of Justice made clear that responsibility to address the climate crisis extends beyond borders and that continuing to expand fossil fuel production, including for export, could constitute an internationally wrongful act — a ruling that has now been overwhelmingly endorsed by the UN General Assembly. Continuing down the fossil fuel path, and failing to align efforts with limiting warming to 1.5C, is a breach of our international legal obligations.

“We must not lose sight of what’s needed — by elevating the voices of Pacific leaders, backing Pacific-led solutions, and maximising the opportunity of the Pacific pre-COP, we can ensure the 1.5°C imperative and the transition away from fossil fuels are central to the agenda at COP31, and that communities are granted the finance they need to build a strong, resilient future beyond fossil fuels.”

Ahead of SB64, Greenpeace International has produced a policy briefing outlining the core elements of a just transition away from fossil fuels and the urgent, priority actions needed from national governments and through global co-operation to make it a reality.[1]

ENDS

[1] A Just Transition Away from Fossil Fuels: Policy Briefing

Photos in the Greenpeace Media Library

Media contact

Kate O’Callaghan on +61 406 231 892 (Whatsapp/Signal) or kate.ocallaghan@greenpeace.org

Bowen urged to lead with vision and ambition to accelerate fossil fuel phase out at Bonn climate meeting, as global energy crisis bites

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Troubled by Spreading Landfill Pollution, a Long Island Community Demands Action

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For decades, a landfill has towered over the town of Brookhaven. A groundwater contamination plume has spread beneath nearby properties.

BROOKHAVEN, N.Y.—The crowd grew restless at Brookhaven Town Hall on Long Island as residents voiced their concerns about groundwater contamination from a nearby landfill that has spread beneath parts of their community.

Troubled by Spreading Landfill Pollution, a Long Island Community Demands Action

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