Climate activists gather in New York for ‘Sun Day’ solar energy and anti-billionaire rallies

Tied tides? Canadian towns battle it out over tidal world record

Weather tracker: Flash floods and landslides wreak havoc in California

Illness, animal deaths and water shortages: life inside Chile’s polluted ‘sacrifice zones’

Leopard sharks mating in the wild captured on camera for first time – video

Country diary 1975: Death cap mushrooms can be a forager’s nightmare

‘Involved sequentially’: leopard sharks observed mating for first time in wild have threesome

Country diary: An autumn fireball that’s a sanctuary for insects | Kate Blincoe

Nations’ plans to ramp up coal, gas and oil extraction ‘will put climate goals beyond reach’

‘The forest had gone’: the storm that moved a mountain – podcast

Hundreds plunge in Chicago River for first official swim in nearly 100 years

‘A mythical place’: how a Melbourne sewage farm became a haven for 300 species of birds

‘We must change’: how drought and overextraction of water has run Iran dry

Canavan claims Coalition ‘on the cusp’ of abandoning net zero as Ley urged to follow Dutton’s voice referendum tactics

The race to find a way to recycle old turbine blades from windfarms

I had a stroke during an ocean swim. Most people passed by unawares. One didn’t

Sebbi the Lord Howe Island detection dog trades nabbing rats for bagging naps in well-earned retirement

‘We are horrified’: proposed lead mine in NSW wine region has community living in fear for children’s health

Matt Kean on Australia’s future in a climate crisis - podcast

‘Something is working’: UN climate chief optimistic about green transition

‘Just add water’: how to bring back ancient plants in a Norfolk ghost pond

Country diary: It’s phallic, it smells of death – and it’s good enough to eat | Michael White

Louisiana reports five deaths from flesh-eating bacteria found in coastal waters

Labor has good reason to sweat over its 2035 climate target – but the dishevelled Coalition response rings hollow | Tom McIlroy

Red squirrel population thriving on Isle of Wight and could almost double, study finds

‘A defining moment’: Trinidad and Tobago at a crossroads as oil runs out

Ministers tell Environment Agency to wave planning applications through

Kenya’s Turkana people genetically adapted to live in harsh environment, study suggests

‘You could drink from that pond’: the city digging for a solution to toxic runoff

Weather tracker: Tornado outbreak shatters North Dakota’s yearly record

Sussan Ley says she ‘misspoke’ after comments that Coalition doesn’t believe in setting climate targets

Why saving the honeybee could be bad news for other bees

Air pollution can affect how well we sleep, scientists discover

Revealed: ‘Corporate capture’ of UN aviation body by industry

Ten new wild swimming locations should be created in London, report says

Week in wildlife: a flying teddy, a fishy shipwreck and a globe-trotting sea slug

Country diary: There’s a bounty of blackberries out there – 350 species of them | Sarah Lambert

TfL says persistent offenders owe more than £700m in Ulez fines

Experience: I lived underwater for 100 days

Life in a ‘sinking nation’: Tuvalu’s dreams of dry land – podcast

David Pocock on the 2035 climate targets and political will - podcast

How Australia plans to reach net zero greenhouse gas emissions by 2050

Powerful owls’ grisly crime scenes in urban parkland remind us we share suburbia with a magnificent predator

‘Sun day’: US climate activists to rally for clean energy amid Trump attacks

The Indiana town suffering under the shadow of a BP refinery: ‘They’ve had way too many accidents’

How Bill Gates is playing both sides of the climate crisis – video

‘A slap in the face’: our expert panel on Australia’s 2035 emissions target

How vulnerable are Australia’s cities to extreme heat? Explore our maps

Albanese’s Oprah-style emissions target aims to please almost everyone but falls short of real climate action

The island that banned hives: can honeybees actually harm nature?