Oil slick from bombed Iranian ship threatens protected wetland

Shahid Bagheri leaking fuel towards Hara mangrove forest, home to migrating birds and endangered turtles

Rice’s whales existed before humans. Now Trump could make them extinct

The US has invoked national security to remove protections for the endangered cetacean, of which only about 50 are left

Invisible plumes and ‘terrible pollution’: the reality of the US gas sites rated ‘grade A’

Exclusive: Guardian investigation into reliability of methane certification issued by MiQ reveals weakness of voluntary model

Say hello to the UK’s most successful growth industry: organised waste crime

Thanks to a sustained ideological assault on regulation, our country has been turned into a literal dump

Arctic sea ice hits lowest winter level on record as warming Earth shatters records across the planet

Vital Arctic sea ice shrank to basically tie its lowest measured level for the winter, the season when ice grows, as a warming Earth shattered records across the continents.

Antarctic Whales’ Remarkable Comeback Is Threatened by Krill Fishing

Huge industrial trawlers are competing for krill – the main food source for whales – in the Southern Ocean, removing vital nutrients from the ecosystem.

'It’s like flowers on steroids': what happened when scientists heated a Rocky Mountain wildlife meadow by 2C?

A long-running experiment in Colorado provides an ‘alarming’ view of how rapidly unchecked global heating could transform fragile ecosystems

‘There’s biological treasure here’: Chile’s endemic seals gain protection with new marine park

Sixty years after the discovery of a colony of Juan Fernández fur seals, previously thought to be extinct, a landmark agreement extends ‘no take’ zone around the wildlife-rich archipelago

Mexico’s monarch butterfly population jumps 64%, offering hope for at-risk species

The insects covered its largest area since 2018, despite threats from habitat loss, climate crisis and pesticides

The U.K.'s Climate 'Success' Relies on Dodgy Accounting

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Damaged Russian tanker carrying natural gas floats into Libyan waters

Fears of ecological disaster as vessel continues to drift after being struck by suspected drone attack

Revealed: the world’s worst mega-leaks of methane driving global heating

Exclusive: Fixing a leak can be simple and equivalent to closing a coal power station, making lack of action maddening, say analysts