Great Barrier Reef microbiome mapped as researchers discover 500 bacterial species previously unknown to science

Sperm whales change ‘vowel’ sounds when boats are nearby, scientists discover

Ex-Southern Water boss to face trial over allegedly manipulating sewage testing

Six beluga whales finally leave embattled Canadian marine park

The world is on fire, and who does Trump blame? The Canadians | Arwa Mahdawi

World’s largest meat company faces legal challenge over green credentials of $6bn global expansion

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Japan swelters through rising heat – in pictures

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‘A great thrill’: baby puffin is first one seen on Dorset coast in three decades

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Millions face long-term coastal flooding risk in UK without climate action, scientists warn

Tick bites are on the rise in the US and UK. Here’s how to protect yourself

Stand still, make eye contact: Denmark tells tourists how to behave in a wolf encounter

We received no alert, say leaders of First Nations communities razed by Canadian wildfires

Climate and rock art advocates take on Woodside’s ‘carbon bomb’ WA gas project in federal court

Almost 90 football fields of woody habitat were bulldozed every day in NSW – despite pledges to rein it in

Not enough water for UK’s datacentre plans, trade body says

Slowdown in Arctic ice melt ends after largest winter decline on record

Rescuers in Afghanistan search for missing and dead after flash floods destroy homes

Tropical Storm Bertha heads for land as Hurricane Fausto forms in eastern Pacific

Australian ski resorts smash July climate records with temperatures 12C above average

Big Bear’s missing bald eagle believed to have been found alive but injured

‘A public health emergency waiting to occur’: how US industry groups spent years fighting who gets to measure toxic air

‘My shirt was wringing’: National Express bus drivers speak out on 40C conditions

Trump officials kill proposed rules for Pfas-contaminated sewage fertilizer

On a Colorado farm, solar panels bring shade for plants, power – and cash: in pictures

‘It’s total devastation’: inside the Amazonian war against illegal gold mining

AI-altered images on birdwatching forums putting research at risk

‘When I get home, my whole body aches’: extreme heat saps health and wages of India’s poorest workers

Five family members found dead after flash flood in Utah canyon, police say

Majority of US voters link extreme weather to climate crisis, study finds

Molten salt and human sweat: the weird batteries that could store renewable energy

How Trump and his administration have mired the US in multiple crises

Sex-loving hookworms and other peculiar parasites: one man’s mission to champion nature’s villains

Bank of England to stop accepting bonds linked to coal for key loans

Flash flood warnings strike north-east US amid wildfire smoke from Canada

Poultry sector growth plan risks UK national security, campaigners warn

Wessex Water chief pockets above-inflation pay rise despite bonus ban over sewage spills

London Underground users should know about toxic dust risk, whistleblower says

More Canadian wildfire smoke shrouds US midwest, mid-Atlantic and north-east

Southern Water fined £7m after illegally dumping sewage off Kent coast

Biodiversity fears as human-bred hybrid fish integrate into Philippines lake

Jackdaw gasfield would create only 27 direct full-time jobs, documents show

Climate change driving more rains that lead to deadly flash floods, experts say

California braces for its sharkiest summer in a decade – but experts say don’t panic

Week in wildlife: a stuck raccoon, a hardy mouse and a well-camouflaged wildcat

‘We are waiting with bated breath’: experts alarmed as BoM says gathering El Niño could be strongest on record

Private schools offer 41% more tree shade than state schools in England

Snake in a chain: lucky escape for Australian woman after bite from deadly eastern brown caught in bike wheel