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Latest news: Oceans

'Never seen': sea ice loss triggers big ocean change

'Never seen': sea ice loss triggers big ocean change

A study has uncovered a surprising and rapid shift in an important ocean layer which is fed by melted sea ice from Antarctica.

Beaches closed after whale carcass washes onto rocks

Beaches closed after whale carcass washes onto rocks

Beaches closed after whale carcass washes onto rocks

Beaches closed after whale carcass washes onto rocks

A council is working with Indigenous rangers about how to sensitively deal with a whale carcass that has washed up on rocks between two popular Sydney beaches.

Ill winds: calm weather puts Great Barrier Reef at risk

Ill winds: calm weather puts Great Barrier Reef at risk

Ill winds: calm weather puts Great Barrier Reef at risk

Ill winds: calm weather puts Great Barrier Reef at risk

Australian researchers have identified weather patterns that can raise the risk of coral bleaching on the Great Barrier Reef, and winds play a key role.

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Warming seas threaten billion-dollar salmon industry

Warming seas threaten billion-dollar salmon industry

Climate change could cost Tasmania's salmon industry millions of dollars in revenue and force major changes to farming operations, a report has warned.

Pacific head rebukes Australia's focus on pre-COP costs

Pacific head rebukes Australia's focus on pre-COP costs

Tuvalu's climate minister says he was "very happy" with pre-COP attendance, but alarmed by new fossil fuel projects being green-lit in Australia.

'Long memory': Pacific faces decades of global warming

'Long memory': Pacific faces decades of global warming

Cutting all greenhouse gas emissions will not immediately reverse the effects of climate change on the world's largest ocean, a study has found.

Rain fails to dampen climate mission at pre-COP31 event

Rain fails to dampen climate mission at pre-COP31 event

The government has defied critics and bad weather to highlight climate threats to Pacific nations but pre-COP31 also turned the spotlight on its commitments.

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Besieged nation warns COP31 can't be climate talkfest

Besieged nation warns COP31 can't be climate talkfest

Besieged nation warns COP31 can't be climate talkfest

Besieged nation warns COP31 can't be climate talkfest

The tiny Pacific nation of Tuvalu has hosted presidents and prime ministers to demonstrate the starkest impacts of rising sea levels before major climate talks.

Antarctic blind spot emerges as major sea-level threat

Antarctic blind spot emerges as major sea-level threat

Antarctic blind spot emerges as major sea-level threat

Antarctic blind spot emerges as major sea-level threat

Australia could lead an international research mission to go where no ship has gone before: an enormous ice basin capable of raising global sea levels.

Counting the cost: tool estimates fossil fuel impacts

Counting the cost: tool estimates fossil fuel impacts

Counting the cost: tool estimates fossil fuel impacts

Counting the cost: tool estimates fossil fuel impacts

From additional heat to the loss of coral and glaciers, an online tool promises to calculate the effect of coal, oil and gas developments.

Pacific friends to suffer from fossil-fuel 'hypocrisy'

Pacific friends to suffer from fossil-fuel 'hypocrisy'

Pacific friends to suffer from fossil-fuel 'hypocrisy'

Pacific friends to suffer from fossil-fuel 'hypocrisy'

The government is being criticised for claiming to stand with Pacific nations threatened by climate change without moving away from fossil-fuel exports.

Rising sea levels threaten more than 267,000 properties

Rising sea levels threaten more than 267,000 properties

Rising sea levels threaten more than 267,000 properties

Rising sea levels threaten more than 267,000 properties

Rising seas and storm surges could cost Australia more than $855 billion, endangering homes, businesses, infrastructure and land.

'Bloody dangerous': world to exceed 1.5-degree warming

'Bloody dangerous': world to exceed 1.5-degree warming

'Bloody dangerous': world to exceed 1.5-degree warming

'Bloody dangerous': world to exceed 1.5-degree warming

Earth is on track to exceed 1.5 degrees of warming within years, the United Nations has warned, exposing communities to more extreme weather.

Australia's coral reefs retreat as heatwaves intensify

Australia's coral reefs retreat as heatwaves intensify

Australia's coral reefs retreat as heatwaves intensify

Australia's coral reefs retreat as heatwaves intensify

Marine heatwaves are threatening coral reefs, including those in Australia, but research shows they could recover if given a break between bleaching events.

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'Walking dead': plastic ingestion's seabird impact

A world-first study has proven a seabird is suffering from population decline due to ingestion of plastic waste, with afflicted birds dubbed "the walking dead".

Progress and poor marks: Reef earns a mixed report card

Efforts to cut pollution in waterways feeding Australia's Great Barrier Reef are making progress but still falling short of targets.

Coral returns to Great Barrier Reef but risks remain

The world's largest coral reef system is showing positive signs of recovery but experts warn severe climate challenges lay ahead.

Third fatal shark attack in a month sparks warnings

Three spearfishers have died in shark attacks in just 21 days as an expert warns of the risks involved in the activity.

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Cyclone-hammered reefs can take many years to recover

Coral reefs and their fish populations can take many years to recover after being hammered by severe tropical cyclones, researchers say.

How mirroring nature might just save the humble oyster

Oyster reefs are already a restoration priority and Australian research could boost survival rates of the water-filtering, habitat-providing species.

Grim outlook for marine recovery as algal bloom recedes

Marine ecosystems will take years to recover from an algal bloom, which has dissipated in some areas but continues to wreak havoc on marine life and industry.

'Incredibly difficult': boy in shark attack hanging on

More than $120,000 has been raised for a 12-year-old boy mauled by a shark as he fights for life and his family brace for the worst possible outcome.

Shark attacks close beaches amid stormy weather warning

Sydney beaches remain closed after a spate of shark attacks as experts outline the factors that are increasing the chances of close encounters.

Woman dead but man heroically saved after shark attack

A shark has mauled Swiss tourists at a national park beach, leaving a woman dead, but quick thinking from a passer-by helpead a man to fight on in hospital.

AI cameras to prevent drownings along Australian coast

New artificial intelligence cameras equipped to detect whether someone has been swept into the sea are aiding rescuers in real time.

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