Humpbacks return to Rio: the whales are back from the brink of extinction – but will tourism help or hinder?

A huge AI datacenter is planned near Mar-a-Lago. The Everglades could pay the price

Halting the march of the African armyworm: a natural cure offers hope to farmers

Drone footage shows rare bird’s-eye view of stingrays off New York coast

10h

I was enjoying growing vegetables. Then the climate crisis raised its ugly head | Bim Adewunmi

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Just 20 of 6,600 Defra staff working on climate adaptation amid drought and wildfires

10h

Andy Burnham to chair emergency Cobra meeting amid extreme heat

14h

All-British chocolate bar made by scientists using Reading-grown cocoa

15h

Massive bailout for Australia’s largest aluminium smelter to be announced by PM and NSW premier

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UK heatwaves may have cost economy £4.4bn in lost output so far this year, analysis finds

16h

Israel deliberately starting wildfires in southern Lebanon, firefighters say

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Male redback spiders invite cannibalism through a ‘self-sacrificial somersault’ during sex – but why?

21h

Households near new pylons to get £250 taken off annual energy bills

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The Guardian view on wildfires: firefighters can’t handle this crisis alone | Editorial

Samuel Alito gained up to $2.9m from oil and gas assets since joining supreme court, analysis shows

‘Real struggle’ to tame New Forest blaze as UK set for hottest summer on record

Drought, water rationing and dry rivers: our water crisis is here | Peter Gleick

Don’t despair about what’s happening to our planet. That’s what they want you to feel

The return of the caspian tiger: how a species feared extinct has come back to Kazakhstan

AI’s potential climate benefits outweighed by role in boosting fossil fuels, study finds

Summer 2026 on course to be UK’s hottest on record, says Met Office – as it happened

‘Subsidies for fossil fuels ... are pouring fuel on the fire’: your questions on fossil fuel profits and the climate crisis answered

Tuesday briefing: To drill or not to drill – Burnham’s first big climate test

Native birds in captivity to be vaccinated against H5 bird flu as Australia prepares for more mass mortalities

Jackie, a beloved bald eagle and livestream star, dies of mysterious illness

Nevada authorities investigate dozens of mysterious tree poisonings in Lake Tahoe

‘National priority’ to equip UK firefighters amid growing wildfire threat

July was hottest month ever recorded in US as heatwaves scorched country

Martin Rowson on the drought and Britain’s water companies – cartoon

Firefighters spend second night battling ‘devastating’ New Forest blaze

SpaceX plan for vast rocket launch site on Louisiana coast sparks backlash

Can Florida’s ‘coastal corridor’ project safeguard wildlife and boost economy?

Octopus Energy urges millions of households to use less electricity during solar eclipse

‘Unprecedented, dangerous territory’: US north-west reckons with a summer of historic wildfires

Invisible poison: living with mercury pollution in the Colombian Amazon – in pictures

Fast-moving wildfire engulfs hills in western Canada – video

I should be happy to have a pigeon for a friend. But she wouldn’t be my first choice | Emma Beddington

Typhoon Dolphin: more than a million people evacuated in China as record rainfall dumped on Shanghai

World’s seas have hit hottest temperature on record for July, say scientists

Canadian government steps in as ‘out of control’ wildfires force thousands to flee

Lake Mead plummets to historic low water level as Colorado River struggles

The Guardian view on India’s green growth gamble: it will need more than private finance | Editorial

How clean air clubs are protecting Americans from wildfire smoke