Mixed start for pre-Cop as just two non-Pacific leaders accept Australian invitation to climate summit

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Extreme heat warnings issued for parts of southern California

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Tory plan to cut energy efficiency rule for builders will cost new home owners £1,000 a year, says thinktank – as it happened

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Australia experiences second hottest September on record as El Niño and climate crisis combine

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Authorities issue shark warning over whale that swam 11km upstream in Clarence River and later died

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To cull or not to cull: Greenland debates fate of world’s slowest shark

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Tories to pledge to scrap Environment Agency and Natural England

Australia and Turkey criticised for hosting UN climate conference while embracing coal

More than 1,200 Colorado students have earned a climate ‘seal’: ‘We’re the ones growing up in this world’

Revealed: Government quietly dropped plan to prepare England for wildfires

From urban rooftops to working cattle farms: Australia’s best home gardens – in pictures

The expansion of Heathrow would be an expensive disaster for Britain and the world. Burnham needs to block it | George Monbiot

‘It’s shocking really’: Devon community tracks River Dart sewage spills

Worst ever outbreak of bluetongue hits British farms

Comedy wildlife photography award finalists 2026 – in pictures

Bangkok at breaking point as floods turn streets into stagnant lakes

There is a way to look after people, the planet – and Britain’s growth. It’s what we call the ‘wellbeing economy’ | Jamie Driscoll

Eastern Spain braces for torrential rain and flooding

The week in wildlife: a rescued orangutan, the chonkiest bear and a barn owl’s triumph

Increased air pollution linked to more night-time coughing, UK-led study finds

May heatwaves, deaths, ruined harvests: study of Europe’s summer paints grim picture for the future

US states and cities sue over Trump EPA’s repeal of emissions rules

The Colorado River is shrinking. What happens next?

Matt Kean warns climate crisis ‘isn’t someone else’s problem’ as largest coal project in NSW history greenlit

Is Trump to blame for Americans getting explosive diarrhea? | Arwa Mahdawi

US datacenter discharged large amounts of pollution for almost a year with no permits

Trump the environmentalist? How his Iran war exposed the fragility of dirty energy

Nature boys and girls – here’s your chance to get published in the Guardian

Think more rain means more river water? Not necessarily

‘Explosion of melt rates’: 20% of Swiss glaciers lost in five years

‘The toll is huge’: El Niño-driven wildfires overwhelm Indonesia’s orangutan population

The green light for the largest coalmine in NSW history is shocking proof that our governance systems are betraying Australians | Georgina Woods

The Guardian view on Lula v the Bolsonaros: the decision of Brazilian voters will affect us all | Editorial

New UK gas and oil projects are a ‘no-brainer’, says EDF boss

The 2026 BirdLife Australia photography awards – in pictures

Two million people in England unaware their properties are at risk of flooding

UK banks are Europe’s biggest coal financiers, report finds

California rushes to prepare for massive ‘Kelvin’ wave and predicted sea level rise

Insects play critical role in ecosystems beyond just providing food, new research shows

‘Beyond priceless’: how a halt to dredging saved the seas of Scotland’s Summer Isles

Half a million trees to be planted in England in three years, says government

EPA union sues Trump administration to restore collective bargaining contract

South West Water fined £8m for hundreds of sewage spills in Cornwall and Devon

‘It’s just cruel’: US households hit by surge in electricity shutoffs amid record hot summer

The night sky is getting 10% brighter every year. We’re forgetting what darkness feels like

New English homes in flood-risk areas could become uninsurable, says Aviva boss