10bn tonnes must be captured from the air every year to limit global heating to 1.7C, says Johan Rockström
Cop30: click here for full Guardian coverage of the climate talks in Brazil
Removing carbon from the atmosphere will be necessary to avoid catastrophic tipping points, one of the world’s leading scientists has warned, as even in the best-case scenario the world will heat by about 1.7C.
Johan Rockström of the Potsdam Institute for Climate Impact Research, who is one of the chief scientific advisers to the UN and the Cop30 presidency, said 10bn tonnes of carbon dioxide needed to be removed from the air every year even to limit global heating to 1.7C (3.1F) above preindustrial levels.
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Breaking Waves: Ocean News
11/11/2025 - 13:18
11/11/2025 - 12:54
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11/11/2025 - 12:00
Armed forces and settlers used bombs, dogs, poison and machinery to attack people and infrastructure at key sites
Israeli armed forces and settlers have attacked Palestinian water sources more than 250 times in the past five years, amounting to the most sustained assault on civilian water supplies in recent years, new research reveals.
Bombs, dogs, poison and heavy machinery were among the weapons used to attack Palestinians and their infrastructure at drinking water, irrigation and sanitation sites in the occupied West Bank and Gaza Strip on at least 90 occasions between January 2024 and mid-2025, according to the Pacific Institute, a California-based nonpartisan thinktank tracking water conflicts.
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11/11/2025 - 09:00
Scientists believe new discovery to be the oldest crocodilian eggshells ever found in Australia
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Scientists have identified what are believed to be the oldest crocodilian eggshells ever found in Australia, unearthed in a grazier’s back yard in regional Queensland.
The 55m-year-old eggshells – found at a fossil deposit in Murgon, approximately 270km north-west of Brisbane – likely belong to a group of extinct crocodiles known as mekosuchines, new research suggests.
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11/11/2025 - 09:00
The public stoush is really about whether the party will drop the charade or maintain it while shuffling some words
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The best thing that can be said about the Coalition’s internal brawl over whether to abandon its support for reaching net zero emissions by 2050 is that it has some honesty in it. Not much honesty, but if you look closely you may see some light breaking through.
The federal Liberals and Nationals have never supported the idea of reaching net zero by 2050. Some individual MPs have but not the parties. We know this because they have not backed a policy to help meet it since Scott Morrison adopted the target in 2021 to try to deflect rising pressure at home and abroad.
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11/11/2025 - 08:52
A regenerative scheme has shown early promise, with herders hopeful it can restore degraded pastures
Ibrahima Ka, dressed in flowing indigo robes, gathers his herd with those of his neighbours before a stretch of lush, untouched pasture. The bellowing, heaving and trampling of 350 impatient zebu cows behind a wire perimeter marks a break with centuries of herding tradition in Senegal, west Africa. Rather than roaming freely across the country’s vast grasslands, shepherds tightly pack the herd together, confining them to graze in short, intensive bursts before being moved to a new plot.
Ka, the village chief of Thignol, is spearheading the first pilot of “mob grazing” in Senegal, aiming to mimic, on a much smaller scale, how wildebeest flow across the Serengeti, moving to protect themselves against lions and cheetahs. The idea that intense grazing can regenerate grasslands rather than accelerate their decline has been controversial. Initially, proponents argued it could help to solve the climate crisis through storing carbon in regenerated grasslands – a claim with little scientific basis. But there is some evidence that the method can boost biodiversity and grassland health in dry areas such as Senegal.
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11/11/2025 - 07:59
This live blog is now closed. You can read the full Guardian coverage of the climate talks in Brazil here
In the run-up to Cop30, the Guardian published a series of articles looking at the ten biggest polluters of greenhouse gas, and their plans to clean up. Here’s a piece my colleague Jonathan Watts wrote in September about China, which according to an analysis published today has plateaued its emissions.
Chinese power took on an old-fashioned hue in the past week with a huge military parade, a gathering of former allies Russia and North Korea, and President Xi Jinping’s defiant vow not to be intimidated by bullies.
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11/11/2025 - 07:00
How do you plan for an event whose timing is unknown? For Tofino’s residents the threat is distant but signs of preparedness are everywhere
Justin Goss was in the shower when he first heard the piercing wail of a nearby tsunami early-warning siren. Still dripping wet, he threw on clothes, grabbed his dog and rushed to the truck. The pair made it 3 metres and no further.
“The whole parking lot across the street was jammed up. It was complete gridlock within three minutes,” he says. “I thought, ‘Oh shit, this is not good.’”
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11/11/2025 - 04:04
Company failed to effectively operate, maintain and upgrade its wastewater assets, Ofwat finds
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Wessex Water has been ordered to pay £11m over wastewater failures and told to spend it on improvements to reduce sewage spills and other measures.
Ofwat, the industry regulator for England and Wales, said that Wessex Water and its shareholders would fund a total enforcement package of £11m, none of which will be paid for by customers through bills.
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11/11/2025 - 03:00
Environmentalists seeking to end logging, smuggling and pollution in DRC’s Mangrove Marine park faced threats, violence and rape
People who have tried to expose unlawful ownership and profit-making from protected land in the Democratic Republic of Congo (DRC) have faced threats, violence and rape, an investigation has found.
The DRC government hired the conservation worker Kim Rebholz in 2022 to safeguard the Mangrove Marine park, an internationally recognised nature reserve on the country’s tiny coastline. The Congo basin rainforest, to the east, is the largest rainforest after the Amazon.
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