Welcome to Carbon Brief’s DeBriefed.
An essential guide to the week’s key developments relating to climate change.
This week
Pakistan and India floods
EXTREME WEATHER: Heavy flooding forced half a million people to evacuate their homes in just 24 hours in Pakistan’s Punjab this week, the Associated Press reported. It brings the total number of people displaced since last month to 1.8 million, the newswire said. According to Arab News, at least 41 people have died as a result of the flooding since last week. The flooding has also destroyed thousands of acres of crops in Punjab, a province that accounts for 68% of Pakistan’s total annual food grain production, Bloomberg reported.
CROSS-BORDER EVENT: Meanwhile, in Indian Punjab, “at least 30 people have died and more than 354,000 have been affected” by flooding, BBC News reported. India also warned Pakistan about more cross-border flooding for the second time in as many weeks, as both countries reeled from monsoon rains, the Associated Press reported.
UK dividing lines
NEW FACE: Zack Polanski has been elected as the new leader of the Green Party of England and Wales in a landslide victory, the Financial Times reported. Polanski is an “outspoken campaigner who has argued his party needs to ‘connect with people’s anger’ and become more combative against ‘villains’, including oil major Shell and the ‘super-rich’”, the newspaper said. Polanksi wants to “replace” the ruling Labour party on a platform of “eco-populism”, according to BBC News.
NORTH SEA OIL: Meanwhile, the UK Conservative leader Kemi Badenoch pledged to drill “all” of the remaining oil and gas in the North Sea if elected, BBC News reported. [The Conservatives are polling third, at 17%.] In response to the speech, the Daily Telegraph‘s world economy editor Ambrose Evans-Pritchard argued that Badenoch’s plan would not “raise this country’s long-term output of oil and gas by more than homeopathic amounts” nor “move the needle on UK energy prices” (more below).
Around the world
- HIGHER AMBITIONS: The UN urged countries to set new, more ambitious national climate plans this month, ahead of this year’s COP30 summit in Belém, Brazil, Reuters reported.
- ‘JUNK SCIENCE’: A group of more than 85 climate scientists released a “scathing review” of the Trump administration’s misleading climate report, DeSmog reported.
- FOSSIL ENERGY: Russia said China had agreed to a massive new pipeline capable of importing as much as 50bn cubic metres of gas a year, the Financial Times reported.
- US PRESSURE: Reuters reported that the US is pressuring other countries to reject a UN deal on cutting emissions from shipping by threatening them with tariffs, visa restrictions and port levies.
- SWELTERING HEAT: Authorities in Japan and South Korea said 2025 was the hottest summer in their countries since records began, Al Jazeera reported.
- MITIGATION WORK: According to Bloomberg, Zimbabwe has published draft regulations to establish a National Climate Fund. The fund will finance projects “aimed at mitigating the impact of climate change and respond[ing] to emergencies”.
20%
The amount by which clean-energy production has surged in India this year, according to Reuters, citing data from the thinktank Ember.
Latest climate research
- “Extreme cold surges” have “robustly weakened in middle-to-high latitude continents during autumn and winter” due to climate change, according to a study in Nature Communications.
- A study published in npj Climate Action found that exposing people to moral appeals results in overall carbon footprint reduction and increased participation in civic and political climate action, regardless of ideological affiliation.
- The World Bank’s increase in climate finance spending since the Paris Agreement has been driven by projects with “low climate components”, according to a study in Climatic Change.
(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 claim that gas produced in the North Sea emits “four times” less CO2 than imported liquified natural gas (LNG) featured prominently in both the Guardian and the Daily Telegraph this week, following Badenoch’s pledge to drill “all” the remaining oil and gas in the UK. However, this figure is highly misleading. It only refers to the emissions that come from the process of extracting and delivering the gas, which are much smaller than those from burning it. When both extraction and burning of the gas are taken into account, CO2 emissions from UK production are only around 15% lower than those from LNG imports, according to a new factcheck from Carbon Brief.
Spotlight
A man-made lake threatened by climate change
This week, Carbon Brief reports on how climate change is impacting the sustainability of a scenic nature reserve in the southern US.
In 1941, as World War 2 thickened, the US Congress approved a plan to construct a reservoir storage project on the Hiwassee River, a water body that cuts across the states of Georgia, North Carolina and Tennessee.
The dam, which came to be known as Chatuge after an 18th-century Cherokee village, was originally built for power generation purposes. However, after it was completed, it became more than a hydroelectric project.
In May 1942, the Towns County Lions Club started stocking fish in the newly created Lake Chatuge. In 1944, Clay County leased a tract of land for a public park.
Today, the park offers “scenic mountain views” and “panoramic views” of Lake Chatuge. The lake is also home to rare, endangered plant species and is an important source of drinking water.
However, Lake Chatuge’s future has been plunged into uncertainty after the Tennessee Valley Authority proposed a plan to repair the dam’s spillway, which could involve draining the lake’s water levels by 20 feet (6m) for up to eight years.
The TVA’s action is largely forward-thinking. While the dam and its spillway are in good condition, the public utility company is wary of extreme weather events made more likely by climate change.
In September 2024, Hurricane Helene tore through parts of Georgia and North Carolina, leaving more than 128 people dead across the US and uprooting communities in its wake. One analysis estimated that 44% of the economic damage from the storm can be attributed to human-caused climate change.
The Lake Chatuge area was largely spared, but officials worry that the next extreme weather event may not be far off.
“It’s the kind of event – the unusual storm event that can happen, that’s pretty rare – is what we’re looking out for,” a TVA project manager has said.
Meanwhile, aside from the imminent repairs made more likely by the increased possibility of extreme weather events, Lake Chatuge is also battling a parrot feather infestation, a phenomenon involving the spread of an invasive plant that has been linked to global warming in other parts of the US.
Saving Lake Chatuge
The threat posed by climate change to Lake Chatuge is not an isolated case. A July 2025 report by researchers at Utah State University found that climate change is affecting the social benefits of dams across the country.
Elsewhere in the world, the impact of extreme weather on ageing dams is wide ranging, including recently heightening tensions between India and Pakistan.
However, community members in the Lake Chatuge area are not giving up easily. A Facebook group dedicated to saving the lake has more than 2,000 members.
“Lake Chatuge is our economy,” Towns County’s sole commissioner, Cliff Bradshaw, told Carbon Brief. He added:
“The main attraction to this area is Lake Chatuge. Without the lake, the county’s tourism would drop, and our economy would suffer greatly – could even drive the county into a depression – as we have a great deal of businesses that rely solely on activities on Lake Chatuge for their customers, such as marinas, party boats and water activity playgrounds. The other businesses in town may not rely on the lake for customers, but do rely on the tourist traffic brought into the area by the lake to drive customers into their place of business.”
According to reporting by the Atlanta-Journal Constitution, visitors have spent up to $100m annually in the area since 2021.
The TVA’s repair work could begin as soon as 2027, but community members are asking both the public utility company and political leaders to help find the least damaging pathway.
Watch, read, listen
SCIENCE CUTS: The Financial Times reported on how the Trump administration has “gutted” the Federal Emergency Management Agency (Fema), throwing into doubt the nation’s ability to respond to extreme weather disasters.
SUSTAINABLE ECONOMICS: In an interview with Le Monde, the French economist Thomas Piketty argued that protecting the planet from climate change requires wealth redistribution.
TWEAKING NATURE: A Havard atmospheric chemist and an Oxford planetary physicist discussed the nuances and subtleties of geoengineering on the podcast Entanglements by Undark.
Coming up
- 8 September: Norway election
- 8-12 September: 54th Pacific Islands Forum Leaders Meeting, Honoraria, Solomon Islands
- 9-23 September: 80th Session of the UN General Assembly, New York
Pick of the jobs
- Energy UK, policy manager | Salary: £38,450. Location: London
- CNN Digital, climate and weather editor | Salary: $91,000-$169,000. Location: Atlanta, Washington DC, New York, Chicago or Burbank, California
- The Post and Courier, rising waters reporter | Salary: Unknown. Location: South Carolina, US
- The Seattle Times, climate reporter | Salary: $75,000-$90,000. Location: Seattle, US
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 5 September 2025: Pakistan floods hit 1.8m people; UK ‘eco-populism’; How warming threatens a man-made lake appeared first on Carbon Brief.
Climate Change
‘This is a fossil fuel crisis’, Greenpeace tells Senate gas tax Inquiry, citing homegrown renewables as path to energy security
CANBERRA, Tuesday 21 April 2026 — Greenpeace Australia Pacific has slammed gas corporation war profiteering and environmental damage in a scathing Senate hearing today as part of the Select Committee on the Taxation of Gas Resources, urging fair taxation of gas corporations and the transition to secure, homegrown renewable energy to protect Australian households and the economy from future energy shocks.
Speaking at the hearing, Greenpeace said the US and Israel’s illegal war on Iran has laid bare the fundamental flaws of an energy system built on fossil fuel extraction, geopolitical power plays and corporate greed, and will be a defining moment for how the world thinks about energy security.
Greenpeace’s submission and full opening remarks can be found here.
Joe Rafalowicz, Head of Climate and Energy at Greenpeace Australia Pacific, said:
“This is not an energy crisis, it’s a fossil fuel crisis. The crisis we’re all facing lays bare the dangers of fossil fuel dependence, for our energy security, our communities, and for global peace and stability.
“Gas corporations like Woodside, Santos, Shell and Chevron — the same companies whose CEOs refused to front this Inquiry — are making obscene war profits, using the illegal war on Iran to price gouge, profiteer and push for more gas we don’t need — while people and our environment pay the price.
“Australians are getting smashed by soaring bills and the impacts of climate disasters — gas corporations should be paying their fair share to help this country, instead of sending billions offshore, tax-free.
“But we’re at a turning point — while gas corporations cynically push to open up more of our oceans and land to drilling for fossil fuels, our allies like the UK are doubling down on renewables in response to the fossil fuel crisis. Our trading partners in Asia are making the same reassessment of fossil fuels.
“Which is why the hearing today is crucial: an effective and well-designed tax on the gas industry’s obscene war time profits is a chance to channel funds to people and communities, fast-track the rollout of clean, secure homegrown wind and solar energy, while holding polluters accountable.
“Our dependence on fossil fuels leave us overexposed to the whims of tyrants like Trump — it’s in Australia’s national interest to end the fossil fuel chokehold for good and usher in the era of clean energy security.”
-ENDS-
Media contact
Kate O’Callaghan on 0406 231 892 or kate.ocallaghan@greenpeace.org
HOW WOODSIDE’S BROWSE GAS PROPOSAL THREATENS SCOTT REEF’S GREEN TURTLES AND PYGMY BLUE WHALES
Woodside’s Browse to NWS gas project is under assessment by the WA and Federal Governments right now. This is a project that involved drilling up to 50 gas wells around Scott Reef off the coast of WA. Gas would be extracted directly underneath Scott Reef and Sandy Islet and pumped through a 900-kilometre subsea pipeline to the NWS gas processing facility.
Woodside’s Browse gas project’s impact on Scott Reef’s marine habitats?
Scott Reef is one of Australia’s most ecologically significant marine environments, where green turtles breed, pygmy blue whales feed, and an array of at-risk species, including sharks, dolphins, whale sharks, rays, sawfish and sea snakes thrive. It is home to many threatened species, including some found nowhere else on Earth or in genetically isolated groups, magnifying its importance from a conservation perspective.
This delicate reef’s ecosystem faces multiple threats if Woodside’s Proposed Project goes ahead, including seismic blasting, gas flaring, noise pollution, artificial lighting, pipe laying and fast-moving vessels. The reef also faces the risk of a gas well blowout, which could have catastrophic and irreversible consequences for the region’s reefs and marine parks.
Woodside’s woeful marine impacts management plan
To secure their approvals, Woodside had to develop a plan for how they would manage the significant risks to threatened green turtles and endangered pygmy blue whales if the project proceeds. We’ve had two independent scientists provide a technical assessment of Woodsides management plan for whales and turtles and their findings are gobsmacking.
Their assessment found that Woodsides management plans for these species misrepresents or does not assess the risks the Browse project poses to Scott Reef’s pygmy blue whales and green turtles. They’ve also surmised that if the project goes ahead the impacts contradict the Australian government’s own recovery plan for turtles and Conservation Management Plan (CMP) for Blue Whales.
The State and Federal Governments now have the opportunity to define their legacies on nature protection and save Scott Reef from Woodside’s dirty gas.
Technical Assessment of Woodside’s Browse Pygmy Blue Whale Management Plan
Prepared for Greenpeace Australia Pacific by Dr Ben Fitzpatrick of Oceanwise Australia with Dr Olaf Meynecke of Griffith University.
The full technical assessment is available HERE
Scott Reef is a vital feeding, foraging and resting habitat for pygmy blue whales.
Pygmy blue whales feed, forage and rest in the Scott Reef region every year. Scott Reef is recognised as a Biologically Important Area for the pygmy blue whale and is an important stop-over on their annual migration.
Woodside’s Browse gas project could delay or prevent the population recovery of the endangered pygmy blue whales that rely on Scott Reef, heightening their extinction risk.
- Woodside’s management plan claims of “no credible threat of significant impacts” are not supported by scientific evidence.
- The management plan relies on outdated whale population information.
- Woodside has claimed it is unclear whether Scott Reef is a foraging habitat for pygmy blue whales, despite the presence of pygmy blue whales and significant concentrations of krill being documented in the area.
- The PBWMP ignores the impacts of industrial noise on whale-to-whale communication. This is especially concerning as mother-calf pairs migrate through the Scott Reef Biologically Important Area shortly after calves are born. Mother-calf pairs rely on continuous, uninterrupted communications to maintain their connection.
Woodside’s Browse gas project could delay or prevent the population recovery of the endangered pygmy blue whales that rely on Scott Reef, heightening their extinction risk.
Technical Assessment of Woodside’s Browse Turtle Management Plan
Prepared for Greenpeace Australia Pacific by Dr Ben Fitzpatrick of Oceanwise Australia.
The full technical assessment is available HERE
Scott Reef is a vital nesting ground for unique green turtles.
The green turtles that nest at Scott Reef’s low-lying Sandy Islet sand cay and nearby Browse Island are genetically unique and are classified as ‘Extremely Vulnerable’ in Australia’s Recovery Plan for Marine Turtles.
Woodside’s Browse gas project could make Scott Reef’s unique green turtles extinct.
- The Browse project would operate within 20 kilometres of nesting habitat that’s critical to the survival of Scott Reef’s genetically unique and vulnerable green turtle population.
- Woodside’s Browse Turtle Management Plan (TMP) misrepresents the risks the Browse project poses to Scott Reef’s green turtles.
- Claims in Woodside’s TMP about Scott Reef’s green turtle population size, nesting success and hatchling numbers are not backed by scientific evidence.
- The TMP proposes gathering updated data after the Browse project is approved.
- Woodside’s TMP proposes adding sand sourced elsewhere to Sandy Islet to counter subsidence and erosion, but fails to properly assess the associated risks.
To save Scott Reef and protect our oceans and animals, the State and Federal Governments must reject Browse.
Technical Assessment of Woodside’s Browse Pygmy Blue Whale Management Plan
To secure their approvals, Woodside had to develop a plan for how they would manage the significant risks to threatened green turtles if the project proceeds. We’ve had two independent scientists provide a technical assessment of Woodside’s management plan for whales and turtles and their findings are gobsmacking.
Woodside’s Browse gas project could make Scott Reef’s unique green turtles extinct.
Woodside’s Browse gas project could delay or prevent the population recovery of the endangered pygmy blue whales that rely on Scott Reef, heightening their extinction risk.
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