Welcome to Carbon Brief’s DeBriefed.
An essential guide to the week’s key developments relating to climate change.
This is an online version of Carbon Brief’s weekly DeBriefed email newsletter. Subscribe for free here.
This week
2023 ‘smashes’ records
RECORD-SHATTERING: 2023 “smashed” the record for the hottest year by a large margin, reported the Guardian. The newspaper said on Tuesday that, according to the EU’s Copernicus Climate Change Service, 2023 was 1.48C hotter than pre-industrial times. This is 0.17C higher than the last record set in 2016 – “marking a very large increase in climate terms”, according to the Guardian. And today the record was confirmed by the UN’s World Meteorological Organization, which has just published the findings of six leading climate datasets.
CHARTING CHANGE: In its coverage of the data, BBC News produced a number of charts and figures illustrating the path of global warming. Its analysis showed that almost every day since July has seen a new global air temperature high for the time of year. Meanwhile, the Independent published a feature examining whether 2024 could be even hotter than 2023.
STATE OF THE CLIMATE: Carbon Brief has just published the last of its quarterly state of the climate updates for 2023. It explains that 2023 was the warmest year “by a large margin”, at between 1.34C and 1.54C above pre-industrial levels across different datasets. Last year was also the warmest on record for ocean heat content, which increased notably between 2022 and 2023.
UK MP quits over fossil fuels
‘TRAGEDY’: The UK’s former energy minister Chris Skidmore quit as an MP in protest at the government’s plans to drill for more oil and gas in the North Sea, the Financial Times reported. In his resignation letter, Skidmore said it was “a tragedy that the UK has been allowed to lose its climate leadership” under prime minister Rishi Sunak, according to the newspaper.
BILL DELAYED: Skidmore quit over the government’s offshore petroleum licensing bill, which aims to “maximise” new oil and gas production, the FT said. The bill was due to be read in the House of Commons this week, but ended up being postponed, the Times reported. BBC News reported that Sir Alok Sharma, the Conservative MP and COP26 president, said he would vote against the bill, calling it “a total distraction” which reinforces the idea the UK is “not serious” about tackling climate change.
Renewables on the rise
RECORD RENEWABLES: A boom in Chinese solar power drove another record-breaking year of renewables growth in 2023, according to a new International Energy Agency (IEA) report covered by Carbon Brief. The world is now on track to build enough solar, wind and other renewables over the next five years to power the equivalent of the US and Canada combined, according to Carbon Brief’s analysis of the findings.
UK SOLAR: Along with the increase in global renewable capacity, there has been continued growth in low-carbon upgrades on UK homes, with solar and heat pumps driving record installations in 2023, according to separate Carbon Brief analysis.
Around the world
- US COAL DROP: US emissions fell by 1.9% in 2023, largely due to coal declining to its lowest level in 50 years, the New York Times reported. By contrast, US oil and gas production is set to hit a record in 2024 and 2025, said the Financial Times.
- ‘A LA CARTE’: Saudi Arabia’s energy minister has claimed that the headline COP28 agreement to transition away from fossil fuels is just one of several “choices” on an “a la carte menu”, reported Climate Home News.
- WAR EMISSIONS: Israel’s assault on Gaza since 7 October has produced more greenhouse gas emissions than 20 of the world’s most climate-vulnerable countries create in a year, according to new analysis covered by the Guardian.
- GERMANY PROTESTS: Farmers took to the streets of Berlin to protest against the German government’s decision to cut agricultural subsidies, Deutsche Welle reported.
- DEEP SEA MINING: Norway has become the first nation to approve commercial deep-sea mining, opening up a vast area of the Arctic to the extractive practice despite warnings from scientists, Mongabay reported.
- OFFSETS CONTROVERSY: The first-ever carbon-offset exchange under a new Paris Agreement mechanism, involving Switzerland buying credits for the rollout of electric buses in Thailand, is facing integrity questions, Climate Home News said.
40%
The proportion of North Sea oil and gas licences in UK waters owned by foreign companies and investors, according to EnergyMonitor.
Latest climate research
- A new research paper in Nature Climate Change presented a “conceptual framework” for considering the role of justice within climate research.
- The presence of urban green space is associated with “significantly lower rates of violent crime committed outside”, according to an International Journal of Biometeorology study conducted in Australia.
- A pair of studies in the Journal of Climate delved into an “exceptional heatwave” in east Antarctica in 2022, which brought “widespread 30-40C temperature anomalies across the ice sheet”.
(For more, see Carbon Brief’s in-depth daily summaries of the top climate news stories on Monday, Tuesday, Wednesday, Thursday and Friday.)
Captured

A record 42 editorials opposing action to tackle climate change were published by UK newspapers in 2023, according to new Carbon Brief analysis. Written almost exclusively by right-leaning papers, these editorials called for delays to UK bans on the sale of fossil fuel-powered cars and boilers, as well as for more oil-and-gas production in the North Sea, according to the findings. In response to such demands, prime minister Rishi Sunak performed a “U-turn” in September on some of his government’s major net-zero policies.
Spotlight
Investigating Antarctica’s colossal icebergs
This week, Carbon Brief speaks to Dr Oliver Marsh, a glaciologist who is principal investigator of a British Antarctic Survey (BAS) mission currently studying iceberg calving events at Antarctica’s Brunt ice shelf (pictured).

Carbon Brief: Can you please explain what fieldwork you are currently working on?
Dr Oliver Marsh: We are drilling ice cores to collect ice samples from the Brunt ice shelf. These will be brought back to Cambridge [where BAS is located] and University College London (UCL) in order to test their physical and chemical properties. We are also setting up seismic and GPS equipment to monitor fracture growth and strain rates on the ice shelf. We will then link the properties of the ice to the behaviour of the fractures.
CB: What do you hope to find out by conducting this fieldwork?
OM: We are interested in the mechanism and timing of crack growth leading to iceberg calving [where chunks of ice break off from the front of a glacier]. In particular, we want to understand how changes in ice properties change calving rates. The ice shelf we are working on has a well-documented history of crack growth, with two large calving events in the last three years, and the new information we gain from precise laboratory measurements will help us to understand how – and under what conditions – fractures occur in the lead-up to these calving events.
CB: What are the biggest hazards with conducting fieldwork on the Brunt ice shelf?
OM: The Brunt ice shelf is a good location to monitor fracture growth due to its dynamic behaviour. This means there are rifts and other cracks in the ice that can be hazardous for travel. These cracks are heavily monitored with a suite of geophysical instruments, including ground-penetrating radar, GPS and satellite data, and precautions are taken when moving around. Fieldwork in Antarctica also has significant hazards associated with the weather, for example, strong winds and wind chill.
CB: How is climate change affecting iceberg calving events in Antarctica?
OM: Calving occurs as a normal process of ice loss from the continent. But, as it occurs in discrete events and very infrequently for some ice shelves, it is difficult to determine whether rates are changing from a short satellite record. Other fracturing processes, such as hydrofracture and ice shelf collapse, are linked to both ocean and atmospheric warming, so it is possible that calving rates may increase in the future.
CB: What would be the implications of accelerated iceberg calving for the climate and ecosystems?
OM: Increased calving is likely to weaken ice shelves that fringe the continent and support the glaciers inland. This can help to speed up glacier flow and ice loss to the ocean, contributing to sea level rise. An increase in the volume of icebergs may also cause issues for ecosystems, particularly in areas where icebergs ground on the ocean floor, blocking foraging routes for penguins and seals, for instance.
Watch, read, listen
IDAI AFTERMATH: An audio documentary from the BBC World Service explored how communities in Beira, Mozambique are still reeling five years after Cyclone Idai.
PEOPLE FIRST: Context spoke to a range of experts about how the deal to transition away from fossil fuels agreed at COP28 can be achieved in a way that prioritises people’s needs.
INFLECTION POINTS: Robinson Meyer, founding editor of the climate publication Heatmap, appeared on the Chris Hayes Podcast to talk about rising fossil fuels and falling low-carbon technology prices.
Coming up
- 13 January: Taiwan presidential and parliamentary elections
- 15-19 January: World Economic Forum, Davos, Switzerland
- 16-19 January: 60th session of the Intergovernmental Panel on Climate Change, Istanbul, Turkey
- 17-18 January: G20 women’s sustainability working group meeting, Vila do Conde, Brazil
Pick of the jobs
- Global Forest Coalition, director | Salary: €32.50 per hour. Location: Remote
- The New York Times, Climate Forward editor | Salary: $170,000-180,000. Location: New York
- Department for Energy Security and Net Zero, deputy director, strategy development | Salary: £75,000. Location: Choice of various UK cities
DeBriefed is edited by Daisy Dunne. Please send any tips or feedback to debriefed@carbonbrief.org
The post DeBriefed 12 January: 2023 ‘smashes’ global heat record; UK MP quits over oil and gas; Studying Antarctica’s mammoth icebergs appeared first on Carbon Brief.
Climate Change
DeBriefed 15 August 2025: Raging wildfires; Xi’s priorities; Factchecking the Trump climate report
Welcome to Carbon Brief’s DeBriefed.
An essential guide to the week’s key developments relating to climate change.
This week
Blazing heat hits Europe
FANNING THE FLAMES: Wildfires “fanned by a heatwave and strong winds” caused havoc across southern Europe, Reuters reported. It added: “Fire has affected nearly 440,000 hectares (1,700 square miles) in the eurozone so far in 2025, double the average for the same period of the year since 2006.” Extreme heat is “breaking temperature records across Europe”, the Guardian said, with several countries reporting readings of around 40C.
HUMAN TOLL: At least three people have died in the wildfires erupting across Spain, Turkey and Albania, France24 said, adding that the fires have “displaced thousands in Greece and Albania”. Le Monde reported that a child in Italy “died of heatstroke”, while thousands were evacuated from Spain and firefighters “battled three large wildfires” in Portugal.
UK WILDFIRE RISK: The UK saw temperatures as high as 33.4C this week as England “entered its fourth heatwave”, BBC News said. The high heat is causing “nationally significant” water shortfalls, it added, “hitting farms, damaging wildlife and increasing wildfires”. The Daily Mirror noted that these conditions “could last until mid-autumn”. Scientists warn the UK faces possible “firewaves” due to climate change, BBC News also reported.
Around the world
- GRID PRESSURES: Iraq suffered a “near nationwide blackout” as elevated power demand – due to extreme temperatures of around 50C – triggered a transmission line failure, Bloomberg reported.
- ‘DIRE’ DOWN UNDER: The Australian government is keeping a climate risk assessment that contains “dire” implications for the continent “under wraps”, the Australian Financial Review said.
- EXTREME RAINFALL: Mexico City is “seeing one of its heaviest rainy seasons in years”, the Washington Post said. Downpours in the Japanese island of Kyushu “caused flooding and mudslides”, according to Politico. In Kashmir, flash floods killed 56 and left “scores missing”, the Associated Press said.
- SOUTH-SOUTH COOPERATION: China and Brazil agreed to “ensure the success” of COP30 in a recent phone call, Chinese state news agency Xinhua reported.
- PLASTIC ‘DEADLOCK’: Talks on a plastic pollution treaty have failed again at a summit in Geneva, according to the Guardian, with countries “deadlocked” on whether it should include “curbs on production and toxic chemicals”.
15
The number of times by which the most ethnically-diverse areas in England are more likely to experience extreme heat than its “least diverse” areas, according to new analysis by Carbon Brief.
Latest climate research
- As many as 13 minerals critical for low-carbon energy may face shortages under 2C pathways | Nature Climate Change
- A “scoping review” examined the impact of climate change on poor sexual and reproductive health and rights in sub-Saharan Africa | PLOS One
- A UK university cut the carbon footprint of its weekly canteen menu by 31% “without students noticing” | Nature Food
(For more, see Carbon Brief’s in-depth daily summaries of the top climate news stories on Monday, Tuesday, Wednesday, Thursday and Friday.)
Captured
Factchecking Trump’s climate report

A report commissioned by the US government to justify rolling back climate regulations contains “at least 100 false or misleading statements”, according to a Carbon Brief factcheck involving dozens of leading climate scientists. The report, compiled in two months by five hand-picked researchers, inaccurately claims that “CO2-induced warming might be less damaging economically than commonly believed” and misleadingly states that “excessively aggressive [emissions] mitigation policies could prove more detrimental than beneficial”80
Spotlight
Does Xi Jinping care about climate change?
This week, Carbon Brief unpacks new research on Chinese president Xi Jinping’s policy priorities.
On this day in 2005, Xi Jinping, a local official in eastern China, made an unplanned speech when touring a small village – a rare occurrence in China’s highly-choreographed political culture.
In it, he observed that “lucid waters and lush mountains are mountains of silver and gold” – that is, the environment cannot be sacrificed for the sake of growth.
(The full text of the speech is not available, although Xi discussed the concept in a brief newspaper column – see below – a few days later.)
In a time where most government officials were laser-focused on delivering economic growth, this message was highly unusual.
Forward-thinking on environment
As a local official in the early 2000s, Xi endorsed the concept of “green GDP”, which integrates the value of natural resources and the environment into GDP calculations.
He also penned a regular newspaper column, 22 of which discussed environmental protection – although “climate change” was never mentioned.
This focus carried over to China’s national agenda when Xi became president.
New research from the Asia Society Policy Institute tracked policies in which Xi is reported by state media to have “personally” taken action.
It found that environmental protection is one of six topics in which he is often said to have directly steered policymaking.
Such policies include guidelines to build a “Beautiful China”, the creation of an environmental protection inspection team and the “three-north shelterbelt” afforestation programme.
“It’s important to know what Xi’s priorities are because the top leader wields outsized influence in the Chinese political system,” Neil Thomas, Asia Society Policy Institute fellow and report co-author, told Carbon Brief.
Local policymakers are “more likely” to invest resources in addressing policies they know have Xi’s attention, to increase their chances for promotion, he added.
What about climate and energy?
However, the research noted, climate and energy policies have not been publicised as bearing Xi’s personal touch.
“I think Xi prioritises environmental protection more than climate change because reducing pollution is an issue of social stability,” Thomas said, noting that “smoggy skies and polluted rivers” were more visible and more likely to trigger civil society pushback than gradual temperature increases.
The paper also said topics might not be linked to Xi personally when they are “too technical” or “politically sensitive”.
For example, Xi’s landmark decision for China to achieve carbon neutrality by 2060 is widely reported as having only been made after climate modelling – facilitated by former climate envoy Xie Zhenhua – showed that this goal was achievable.
Prior to this, Xi had never spoken publicly about carbon neutrality.
Prof Alex Wang, a University of California, Los Angeles professor of law not involved in the research, noted that emphasising Xi’s personal attention may signal “top” political priorities, but not necessarily Xi’s “personal interests”.
By not emphasising climate, he said, Xi may be trying to avoid “pushing the system to overprioritise climate to the exclusion of the other priorities”.
There are other ways to know where climate ranks on the policy agenda, Thomas noted:
“Climate watchers should look at what Xi says, what Xi does and what policies Xi authorises in the name of the ‘central committee’. Is Xi talking more about climate? Is Xi establishing institutions and convening meetings that focus on climate? Is climate becoming a more prominent theme in top-level documents?”
Watch, read, listen
TRUMP EFFECT: The Columbia Energy Exchange podcast examined how pressure from US tariffs could affect India’s clean energy transition.
NAMIBIAN ‘DESTRUCTION’: The National Observer investigated the failure to address “human rights abuses and environmental destruction” claims against a Canadian oil company in Namibia.
‘RED AI’: The Network for the Digital Economy and the Environment studied the state of current research on “Red AI”, or the “negative environmental implications of AI”.
Coming up
- 17 August: Bolivian general elections
- 18-29 August: Preparatory talks on the entry into force of the “High Seas Treaty”, New York
- 18-22 August: Y20 Summit, Johannesburg
- 21 August: Advancing the “Africa clean air programme” through Africa-Asia collaboration, Yokohama
Pick of the jobs
- Lancaster Environment Centre, senior research associate: JUST Centre | Salary: £39,355-£45,413. Location: Lancaster, UK
- Environmental Justice Foundation, communications and media officer, Francophone Africa | Salary: XOF600,000-XOF800,000. Location: Dakar, Senegal
- Politico, energy & climate editor | Salary: Unknown. Location: Brussels, Belgium
- EnviroCatalysts, meteorologist | Salary: Unknown. Location: New Delhi, India
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 15 August 2025: Raging wildfires; Xi’s priorities; Factchecking the Trump climate report appeared first on Carbon Brief.
DeBriefed 15 August 2025: Raging wildfires; Xi’s priorities; Factchecking the Trump climate report
Climate Change
New York Already Denied Permits to These Gas Pipelines. Under Trump, They Could Get Greenlit
The specter of a “gas-for-wind” compromise between the governor and the White House is drawing the ire of residents as a deadline looms.
Hundreds of New Yorkers rallied against new natural gas pipelines in their state as a deadline loomed for the public to comment on a revived proposal to expand the gas pipeline that supplies downstate New York.
New York Already Denied Permits to These Gas Pipelines. Under Trump, They Could Get Greenlit
Climate Change
Factcheck: Trump’s climate report includes more than 100 false or misleading claims
A “critical assessment” report commissioned by the Trump administration to justify a rollback of US climate regulations contains at least 100 false or misleading statements, according to a Carbon Brief factcheck involving dozens of leading climate scientists.
The report – “A critical review of impacts of greenhouse gas emissions on the US climate” – was published by the US Department of Energy (DoE) on 23 July, just days before the government laid out plans to revoke a scientific finding used as the legal basis for emissions regulation.
The executive summary of the controversial report inaccurately claims that “CO2-induced warming might be less damaging economically than commonly believed”.
It also states misleadingly that “excessively aggressive [emissions] mitigation policies could prove more detrimental than beneficial”.
Compiled in just two months by five “independent” researchers hand-selected by the climate-sceptic US secretary of energy Chris Wright, the document has sparked fierce criticism from climate scientists, who have pointed to factual errors, misrepresentation of research, messy citations and the cherry-picking of data.
Experts have also noted the authors’ track record of promoting views at odds with the mainstream understanding of climate science.
Wright’s department claims the report – which is currently open to public comment as part of a 30-day review – underwent an “internal peer-review period amongst [the] DoE’s scientific research community”.
The report is designed to provide a scientific underpinning to one flank of the Trump administration’s plans to rescind a finding that serves as the legal prerequisite for federal emissions regulation. (The second flank is about legal authority to regulate emissions.)
The “endangerment finding” – enacted by the Obama administration in 2009 – states that six greenhouse gases are contributing to the net-negative impacts of climate change and, thus, put the public in danger.
In a press release on 29 July, the US Environmental Protection Agency said “updated studies and information” set out in the new report would “challenge the assumptions” of the 2009 finding.
Carbon Brief asked a wide range of climate scientists, including those cited in the “critical review” itself, to factcheck the report’s various claims and statements.
The post Factcheck: Trump’s climate report includes more than 100 false or misleading claims appeared first on Carbon Brief.
https://www.carbonbrief.org/factcheck-trumps-climate-report-includes-more-than-100-false-or-misleading-claims/
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