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
UK’s ‘slowing’ climate ambition
MIXED SIGNALS: The Climate Change Committee (CCC) has warned the perception of the UK’s climate ambition has “suffered from mixed messages” following “new fossil-fuel developments and the prime minister’s speech to soften some net-zero policies”, reported the Press Association. In a report on progress made at the COP28 climate summit in Dubai last year, the advisory body said “decisions to approve a new coal mine and licence new oil and gas production” have contributed to “a perception of slowing UK climate ambition by members of the international community”, the outlet noted.
‘GROSSLY IRRESPONSIBLE’: It comes as the UK this week allocated another 24 licences to major oil companies for the right to drill for fossil fuels in the North Sea, the Guardian reported. According to the North Sea Transition Authority, oil and gas could be produced within the decade under the licences, the outlet noted. The move “angered MPs and environmental campaigners”, who called the move “grossly irresponsible”, it added.
IMF WARNING: Meanwhile, Pierre-Olivier Gourinchas, chief economist of the International Monetary Fund, has “warned UK chancellor Jeremy Hunt against cutting taxes, arguing the country needs to curb public borrowing and prioritise spending in areas such as health, education and tackling climate change”, reported the Financial Times.
Around the world
- ENVOY IN EMPLOY: US president Joe Biden has appointed his clean energy adviser John Podesta to succeed John Kerry as the nation’s top climate diplomat, reported the Financial Times. Podesta will take on the role in addition to his current White House job overseeing $370bn in spending on clean energy under the Inflation Reduction Act, noted the New York Times.
- SOLAR SUCCESS: China’s installed wind and solar capacity is set to overtake coal for the first time this year, according to Reuters. Bloomberg reported that China installed more solar panels in 2023 than any other nation has built in total.
- ITALY-AFRICA SUMMIT: At a summit of African leaders in Rome, Italy unveiled a plan to use its climate fund to transform into “an energy hub” that creates “a bridge between Europe and Africa”, reported Climate Home News. Observers warned that the plan presents “enormous ambiguities” that leave the door open to fossil-fuel investment.
- TRACTOR TUMULT: Farmers protesting across Europe have “won their first concession”, reported the Guardian, with the EU announcing a delay in rules for setting aside land for nature. Carbon Brief’s Cropped newsletter has more on how far-right political groups are aiming to capitalise on the outrage.
- PAKISTAN ELECTION: Ahead of Pakistan’s general election on 8 February, two major political parties have “prominently highlighted the importance of dealing with climate change-related issues in their manifestos”, reported the Press Trust of India.
- FIGHTING FIRES: More than a hundred firefighters battled a forest fire in the Los Alerces national park in northern Patagonia, reported BBC News. La Nación noted that an “unusual heatwave” has brought temperatures of up to 40C to the region.
2.47 million square kilometres
The “missing” area of Antarctic sea ice in July 2023, relative to the long-term average, according to a Carbon Brief guest post. This is larger than the area of Algeria, the 10th largest country in the world.
Latest climate research
- Melting of a glacier in Switzerland over just two years has left it “irrevocably lost” as a record of past air pollution from ice cores, a Nature Geoscience study reported.
- Economic recovery spending in the wake of the Covid-19 pandemic “missed many opportunities to advance climate adaptation and resilience” (A&R), according to a Nature Sustainability study. Analysis of around 8,000 government policies across 88 countries found that just 10-11% had “direct A&R benefits”.
- A study in Earth’s Future warns that extreme heat and thawing permafrost will pose “severe threats” to global rail and road infrastructure as the climate warms.
(For more, see Carbon Brief’s in-depth daily summaries of the top climate news stories on Monday, Tuesday, Wednesday, Thursday and Friday.)
Captured
The US is already the world’s largest exporter of liquified natural gas (LNG) and has more additional capacity “proposed” (dark blue on the chart) than any other nation, according to a new Q&A by Carbon Brief. The article unpacked the implications of the surprise move, made late last week by US president Joe Biden, for a “temporary pause” on the expansion of LNG export terminals.
Spotlight
Surging methane from the world’s wetlands
This week, to mark UN World Wetlands Day, Carbon Brief speaks to a scientist helping uncover how methane emissions from wetlands are rising in a changing climate.
In 2020 and 2021, the rate at which methane levels in the atmosphere increased hit record highs.
The rise between 2019 and 2020 was “roughly a doubling” of the annual growth rate, Dr Benjamin Poulter, a research scientist at the NASA Goddard Space Flight Center, explained to Carbon Brief. This was “unexpected and caught the scientific community by surprise”.
In December 2022, a Nature study by Poulter and colleagues found that “wetlands appear to have played a key role, explaining around 50% of the jump from 2019 to 2020”, he said. Further work – currently undergoing peer-review – has suggested that the world’s wetlands were the main driver behind the growth between 2020 and 2021 as well.
Wetlands are areas of land that are either permanently or seasonally inundated with water. They are found across the world, but predominantly in lush landscapes in the tropics and frozen “permafrost” expanses in the higher latitudes of the northern hemisphere.
The near-constant saturation means that decomposing organic matter in the soil releases methane instead of CO2. This methane can diffuse from the water into the atmosphere, be emitted through grass-like plants or abruptly as bubbles. Research has also shown that trees can transport methane from the soil to the atmosphere – or potentially even produce it within their stems.
La Niña’s influence
There appears to be two main reasons why wetlands produced more methane over 2020-22, Poulter explained – a combination of a La Niña event “causing wetlands to expand in the tropics” and climate change “causing warming in all parts of the world, and especially in the high latitudes”.
La Niña is the cold-water counterpart to the natural El Niño climate phenomenon. They are known collectively as the El Niño-Southern Oscillation (ENSO). In general, an El Niño event “causes wetland methane emissions to decrease in tropical regions due to drying”, said Poulter, while La Niña causes emissions “to increase as wetlands expand”. There are regional variations that complicate things a little, he added.
In the high latitudes, “ENSO has less of an impact”, explained Poulter, but rapid warming in this region “is likely driving increasing trends in wetland methane emissions” – as well as “changing the seasonal onset of wetland methane production as the permafrost thaws earlier, deeper and freezes later in the year”.
Methane feedback
The overall increase in wetland methane emissions in recent years is “expected from wetland model projections”, noted Poulter. He published a study last year that indicated the rise may be part of an extended climate-wetland methane “feedback” where global warming drives greater wetland methane emissions, which – in turn – drives further warming.
For 2023 and 2024, the methane growth rate is likely to be influenced by “the El Niño phase of ENSO and the record-breaking global air temperatures”, Poulter said. Last year, for example, “droughts in Central America and Amazonia disrupted shipping and livelihoods, and likely led to decreased tropical wetland methane emissions”.
The US Global Monitoring Laboratory is due to release its final atmospheric concentration data for 2023 in April. This will help confirm understanding of wetland methane emissions, Poulter said, and “whether the El Niño-induced drought impacts on tropical wetlands caused the atmospheric growth rate of methane to decrease” last year.
Watch, read, listen
OVERSTATE: In this interactive, a group of Bloomberg journalists investigated how “dozens” of UK wind farms have routinely overestimated how much power they can produce.
BIG OIL: DeSmog uncovered evidence that fossil-fuel companies funded climate research as far back as 1954, further suggesting their long-standing knowledge of global warming.
‘IMPORTANT QUESTIONS’: In a Nature news feature, journalist Gayathri Vaidyanathan looked at the “agonising choices” over how the UN loss-and-damage fund will be allocated.
Coming up
- 6 February: European Commission to table its proposed climate target for 2040, Strasbourg, France
- 7 February: Azerbaijan presidential election
- 8 February: Pakistan general election
- 11 February: Finland presidential election (second round)
Pick of the jobs
- Save the Children US, advisor (climate) | Salary: $68,850-94,050. Location: Washington DC
- Knight Science Journalism Program, fellowship for advancing science journalism in Africa and the Middle East | Salary: $40,000 stipend and $5,000 for housing. Location: US-based fellowship eligible to journalists from Africa and the Middle East
- Met Office, scientist and senior scientist – vegetation-climate interactions | Salary: £32,100-34,925 and £38,838-42,434, respectively. Location: Exeter, UK
- Wateraid, regional WASH and climate change specialist | Salary: Unknown. Location: Pretoria, South Africa (or any city where WaterAid has presence in the region)
DeBriefed is edited by Daisy Dunne. Please send any tips or feedback to debriefed@carbonbrief.org
The post DeBriefed 2 February: UK’s ‘slowing’ climate ambition; New top US climate diplomat; Surging methane from wetlands appeared first on Carbon Brief.
Climate Change
Greenpeace slams NSW government decision to reverse decade-long freeze on gas exploration
SYDNEY, Wednesday 29 April 2026 — In a major policy backflip, the Minns government has today announced it will reverse a more than decade-long ban on gas exploration in NSW, opening up huge new areas in Far West NSW for harmful gas drilling.
The decision comes in the midst of the ongoing energy crisis spurred by the illegal war on Iran and advice from the chief of the International Energy Agency that further investment in fossil fuels doesn’t make business or climate sense.
Solaye Snider, Campaigner at Greenpeace Australia Pacific said:
“It’s deeply unsettling to see the NSW government once again bending over backwards to please the gas lobby, who have been pushing aggressively to expand exploration under the cover of the illegal war on Iran.
“This decision won’t solve any problems for Australians – in fact it will create them. Any new gas coming from the Far West would be more expensive than renewable energy and take decades to come online. It would also destroy the environment, cause enormous and irreversible climate damage, and delay the transition to what is irrefutably a cheaper, cleaner source of energy, renewables.
“If the fossil fuel crisis driven by the illegal war on Iran has taught us anything, it is clear that we should be rapidly unhooking ourselves from volatile fossil fuels like gas, and that our politicians should be rapidly unhooking themselves from the gas lobby who consistently pollute their decision making.
“We don’t have a gas supply problem here in Australia, we have an export problem. Instead of opening up more areas for drilling, the Federal Government should have the courage to make gas giants prioritise supply for domestic use instead of shipping away 80% of it – as proposed under the Gas Market Review.”
-ENDS-
Media contact
Lucy Keller on 0491 135 308 or lucy.keller@greenpeace.org
Greenpeace slams NSW government decision to reverse decade-long freeze on gas exploration
Weather extremes fuel wildfires that have burned through tens of thousands of acres across Georgia, Florida and other states.
Drought and fire are a dangerous duo. The Southeastern United States is witnessing this firsthand as several major blazes burn tens of thousands of acres across the parched region, destroying homes and prompting evacuations in some areas. Florida and Georgia have been particularly hard hit, and strong winds and unusually low humidity have made it difficult to combat the flames.
Drought Turns Southeastern US Into ‘Tinderbox’ as Wildfires Rage
Climate Change
Night Skies and Shifting Stars: How Indigenous Celestial Knowledge Tracks a Changing Climate
When the land no longer answers the stars the way it once did, Indigenous peoples are among the first to notice — and the first to ask why.
A Sky Full of Knowledge
Look up on a clear night on Turtle Island and you’re seeing a sky that has guided human life for thousands of years. Across Indigenous nations in Canada, detailed systems of celestial knowledge developed not as abstract science but as living, practical guides —telling people when to plant, when to harvest, when herds would move, and when ice would come. This astronomical knowledge was woven into language, ceremony, and everyday life, passed down through generations with remarkable precision.
The Mi’kmaq and the Celestial Bear
Among the Mi’kmaq of Atlantic Canada, star stories are ecological calendars, precise and functional. The story of Muin and the Seven Bird Hunters connects the annual movement of what Western astronomy calls Ursa Major to the seasonal cycle of hunting and harvest: the bear rises in spring, is hunted through summer, and falls to earth in autumn. This knowledge was brought to broader public attention in 2009 during the International Year of Astronomy, when Mi’kmaq Elders Lillian Marshall of Potlotek First Nation and Murdena Marshall of Eskasoni First Nation shared the story through an animated film produced at Cape Breton University narrated in English, French, and Mi’kmaq.¹ The story encodes specific observations about when and where to hunt, and which species to expect at which time of year. It is science in narrative form.
The Anishinaabe and the Seasonal Star Map
Among the Anishinaabe peoples of the Great Lakes and northern Ontario, celestial knowledge forms part of a comprehensive seasonal understanding. Knowledge keepers like Michael Wassegijig Price of Wikwemikong First Nation have described how Anishinaabe constellations quite different from those of Western astronomy connect the movement of the heavens to naming ceremonies, seasonal gatherings, and land practices.² The Royal Astronomical Society of Canada now offers planispheres featuring Indigenous constellations from Cree, Ojibwe, and Dakota sky traditions, recognizing their value as both cultural heritage and ecological knowledge systems.³
When the Stars and the Land Fall Out of Rhythm
Here’s the challenge that climate change has introduced: the stars still move on their ancient, reliable schedule. But the land no longer always responds as expected. Migratory birds that once arrived when certain constellations appeared are now showing up earlier or later. Ice that once formed in predictable windows is forming weeks late, or not at all. Berry harvests, fish runs, animal migrations, all once timed by celestial cues accumulated over millennia are shifting. Indigenous knowledge holders across Canada describe this as a kind of dissonance: the sky remains faithful, but the land has changed.⁴
Long-Baseline Ecological Records
Far from being historical curiosity, Indigenous celestial knowledge systems are now being recognized by researchers as long-baseline ecological calendars —records of how nature behaved over centuries, encoded in story and ceremony. When an Elder observes that a particular star rising no longer predicts the arrival of certain geese, that observation represents a departure from a pattern that may have held true for hundreds of years. The Climate Atlas of Canada integrates Indigenous knowledge observations alongside western climate data, recognizing that both contribute meaningfully to understanding ecological change.⁵
Keeping the Knowledge Alive
Language revitalization and land-based education programs are helping ensure this knowledge reaches the future. From youth astronomy nights on-reserve to the integration of Indigenous sky stories in school curricula, there is growing recognition that these knowledge systems belong to what comes next, not only what came before. As Canada grapples with accelerating ecological change, the quiet precision of thousands of years of skyward observation offers something no satellite can fully replicate: a continuous record of the relationship between the cosmos and a living land.
Blog by Rye Karonhiowanen Barberstock
Image Credit: Dustin Bowdige, Unsplash
References
[1] Marshall, L., Marshall, M., Harris, P., & Bartlett, C. (2010). Muin and the Seven Bird Hunters: A Mi’kmaw Night Sky Story. Cape Breton University Press. See also: Integrative Science, CBU. (2009). Background on the Making of the Muin Video for IYA2009. http://www.integrativescience.ca/uploads/activities/BACKGROUND-making-video-Muin-Seven-Bird-Hunters-IYA-binder.pdf
[2] Price, M.W. (Various). Anishinaabe celestial knowledge. Wikwemikong First Nation. Referenced in: Royal Astronomical Society of Canada Indigenous Astronomy resources.
[3] Royal Astronomical Society of Canada. (2020). Indigenous Skies planisphere series. RASC. https://www.rasc.ca/indigenous-skies
[4] Neilson, H. (2022, December 11). The night sky over Mi’kmaki: A Q&A with astronomer Hilding Neilson. CBC News. https://www.cbc.ca/news/canada/newfoundland-labrador/hilding-neilson-indigenizing-astronomy-1.6679072
[5] Climate Atlas of Canada. (2024). Prairie Climate Centre, University of Winnipeg. https://climateatlas.ca/
The post Night Skies and Shifting Stars: How Indigenous Celestial Knowledge Tracks a Changing Climate appeared first on Indigenous Climate Hub.
https://indigenousclimatehub.ca/2026/04/night-skies-and-shifting-stars-how-indigenous-celestial-knowledge-tracks-a-changing-climate/
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