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Chris Barrie says global heating poses larger security threat than China, and Australians should be armed with this information

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A former Australian defence force chief has called on the government to release its assessment of the security threats posed by the climate crisis, which he says they received late last year.

Guardian Australia understands the Office of National Intelligence’s “urgent climate risk assessment” looked at how global heating affected Australia’s national security, but relied in part on classified information.

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The Natural Resources Access Regulator is also prosecuting the alleged theft of water by another irrigator near Wentworth on the Murray

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A Riverina irrigator has been convicted and fined more than $150,000 for taking $1.1m worth of water from an at-risk groundwater source in south-western New South Wales during a period of drought between July 2017 and June 2020.

Dean Troy Salvestro pleaded guilty to five charges against sections 91G(2) and 60C(2) of the Water Management Act 2000 in a judgment handed down in the NSW land and environment court. Four of the charges concerned breaches of bore extraction limits and one charge was for taking water not in accordance with an access licence allocation.

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Global heating has been seen as the cause for these damaging storms, which are expected to increase significantly this century

A spate of devastating tornadoes that have recently ripped through parts of the eastern and southern US states could portend the sort of damage that will become more commonplace due to changes wrought by global heating, scientists have warned.

More than 50 people have died from the tornadoes and thunderstorms in the past two weeks, with the latest powerful storm system wreaking havoc in states including Alabama, Illinois, Mississippi, Tennessee and Arkansas on Friday. One man survived by hiding in his bathtub, while a separate storm caused a tiger to escape a zoo.

From the Iberian lynx to the Chilean devil ray and mountain gorilla, these stunning images by some of the world’s best nature photographers appear in The New Big 5: A Global Photography Project for Endangered Wildlife, by photographer and Guardian contributor Graeme Green. The book was borne out of a project to create a big 5 of photography rather than hunting, shooting with a camera, not a gun

Cross-currents of denialism, boosterism, broken governance systems and deep-seated racism will meet with rapidly accelerating sea level rise

Predictions about how much water is coming vary greatly. Some scientists say we should be planning on three feet of rise by 2050, six feet by 2070 and 10 feet by 2100. Someday, not too long from now, the stories of many current coastal and riverside cities across the US will include sudden plot twists as well as new beginnings, as edges that had seemed solid liquify and become indistinguishable from the seas around them.

That brings us to Charleston, South Carolina. Its geography is that of a small New York City. The city also has a history of racial immorality, often ignored by its contemporary boosters.

Oslo wants to raise taxes on its aquaculture industry, which could provide a model for how to better manage the marine environment

Norway supplies more than half of the world’s farmed salmon – a whopping 1.5m tonnes last year. After fossil fuels, it is the country’s largest source of national income, and a hugely lucrative one: in 2022, operating profit margins for Norway’s salmon farmers were estimated at 45%.

Last September, the Norwegian government set out a proposal to raise taxes on the industry. Aimed at sharing the profits of one the country’s key resources, the idea was widely described as a “salmon tax”, and set at 40% (on top of 22% corporation tax).

Researchers say there are interlinked benefits across mental and physical health from prescribed time in green spaces or near bodies of water

Prescriptions encouraging people to spend more time in nature are linked to reduced blood pressure and improvements in anxiety and depression symptoms, according to new analysis.

Doctors sometimes use nature-based social prescription programs – sometimes described as “green prescriptions” or “blue prescriptions” – to advise patients to spend time in green spaces or near bodies of water.

Many blue flag beaches were covered in waste, and Brighton was among the worst-hit, Lib Dem report shows

England’s most celebrated beaches faced 8,500 hours of sewage dumping last year, new figures show.

Many beaches with blue flag status– an international mark of recognition that a beach is deemed safe and has good water quality – were found to have been covered in waste over the last 12 months.

CPTPP membership will result in more deforestation and endanger animal welfare, say campaigners

The UK’s membership of a Pacific trade agreement will result in more deforestation overseas, endanger animal welfare and “make a mockery” of the government’s environmental commitments, campaigners have said.

Ministers signed an agreement late last week for the UK to become a member of the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP), a trading bloc of 11 nations including Japan, Canada, Australia and Mexico.

Blood rushes through its veins and the whale’s enormous body shakes slightly

Blue whales are the largest animal ever to have lived – including the dinosaurs – which also makes them the largest animal ever to have slept. All that sleep! A whole whale’s worth, in vast, cold water, the ocean a closed eye, salty and dark. To watch a whale sleeping is to feel as though they have turned the world around them into sleep, that they are suspended in sleep itself, in the liquid that fills your bones when you turn off the light.

Sperm whales sleep vertically, in groups, suspended impossibly, the way an object might be suspended only in a dream. They look like planets, their orbit suddenly stopped. They look as if they could stop time. And maybe they would, if they ever slept for longer than 20 minutes, or closed both eyes.

Scientists have captured footage of a fish swimming more than 8km underwater, setting a new record for the deepest fish ever recorded. The animal, an unknown snailfish species belonging to the genus Pseudoliparis, was filmed at a depth of 8,336 metres in the Izu-Ogasawara trench, south-east of Japan. The footage was captured from an autonomous deep ocean vessel as part of a two-month expedition that began last year

• Scientists find deepest fish ever recorded at 8,300 metres underwater near Japan

Residents of Sparta, Georgia, are trying to stop the Sandersville railroad and its influential owners from building a spur to a quarry

A majority-Black rural community in Georgia is battling to stop a railroad company from seizing private land for a new train line they say will cause environmental and economic harms.

Residents of Sparta, a poor community of 1,300 people located a hundred miles south-east of Atlanta, are opposing the construction of a rail spur that would connect a local quarry to the main train line, enabling the gravel company to vastly expand mining that already causes dust, debris and noise pollution.

Footage of unknown snailfish captured by researchers from Western Australia and Tokyo in Izu-Ogasawara trench

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Scientists have captured footage of a fish swimming more than 8km underwater, setting a new record for the deepest fish ever recorded.

The animal, an unknown snailfish species belonging to the genus Pseudoliparis, was filmed at a depth of 8,336 metres in the Izu-Ogasawara trench, south-east of Japan.

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Julian Leeser confirms Liberal party will meet this week to decide position on Indigenous voice to parliament. Follow live

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Prime minister pays tribute to Yunupingu

Prime minister Anthony Albanese has paid tribute to the Yolŋu man Yunupingu, one of the most significant Indigenous figures in history and a former Australian of the year, as “an extraordinary leader”.

He was one of the greatest of Australians.

An extraordinary leader of his people, respected right across Indigenous and non-Indigenous Australia.

I said to him that I was serious, that we would do it.

Today we mourn with deep love and great sadness the passing of our dearly loved father Yunupiŋu.

The holder of our sacred fire, the leader of our clan and the path-maker to our future.

The loss to our family and community is profound. We are hurting, but we honour him and remember with love everything he has done for us.

We remember him for his fierce leadership, and total strength for Yolŋu and for Aboriginal people throughout Australia. He lived by our laws always.

Yunupiŋu lived his entire life on his land, surrounded by the sound of bilma (clapsticks), yidaki (didgeridoo) and the manikay (sacred song) and dhulang (sacred designs) of our people. He was born on our land, he lived all his life on our land and he died on our land secure in the knowledge that his life’s work was secure.

He had friendship and loyalty to so many people, at all levels, from all places.

Our father was driven by a vision for the future of this nation, his people’s place in the nation and the rightful place for Aboriginal people everywhere.

In leaving us, we know that Dad’s loss will be felt in many hearts and minds. We ask you to mourn his passing in your own way, but we as a family encourage you to rejoice in the gift of his life and leadership.

There will never be another like him.

In time we will announce the dates for bäpurru (ceremonies) that will see him returned to his land and to his fathers. These ceremonies will be held in North Eastern Arnhem Land.

We ask the media to respect our grieving space over the coming weeks as we put together ceremonial arrangements to honour Dad.

Instead of flowers, we invite those of you who were touched by Dad’s fire to share with us your personal recollections and memories of his life. This will lift our spirits.

‘He now walks in another place, but he has left such great footsteps for us to follow’

• Yunupingu, Yolŋu leader and campaigner for Indigenous rights, dies aged 74
• Chips Mackinolty: Yunupingu leaves an indelible mark in struggle for Indigenous rights

The Yolŋu elder and Indigenous leader Yunupingu, who died on Monday, has been remembered as one of the “greatest of Australians” and a fierce leader.

The prime minister, Anthony Albanese, said: “Yunupingu walked in two worlds with authority, power and grace, and he worked to make them whole – together …

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UK’s 9.4m cattle produce 14% of human-related emissions, mostly from belching, but green groups remain sceptical

Cows in the UK could be given “methane blockers” to reduce their emissions of the greenhouse gas as part of plans to achieve the country’s climate goals.

Farmers welcomed the proposal, which follows a consultation that began in August on how new types of animal feed product can reduce digestive emissions from the animals.

‘Fringe’ research suggests the insects that are essential to agriculture have emotions, dreams and even PTSD, raising complex ethical questions

When Stephen Buchmann finds a wayward bee on a window inside his Tucson, Arizona, home, he goes to great lengths to capture and release it unharmed. Using a container, he carefully traps the bee against the glass before walking to his garden and placing it on a flower to recuperate.

Buchmann’s kindness – he is a pollination ecologist who has studied bees for over 40 years – is about more than just returning the insect to its desert ecosystem. It’s also because Buchmann believes that bees have complex feelings, and he’s gathered the science to prove it.

The closer the rodents live to the centre of the city, the worse their symptoms of lung disease

Deteriorating air quality is a major threat to health, and scientists have discovered that humans are not the only ones in danger.

Grey squirrels suffer worsening lung damage the closer they live to the centre of a city, according to a study in London. It found the lungs of the rodent residents of Richmond fare far better than those of central Westminster.

Labour leader accuses ministers of turning rivers into ‘open sewers’ after Thérèse Coffey says firms will face tougher penalties

Labour has dismissed government plans that could see water companies in England facing tougher fines and penalties as part of efforts to tackle pollution.

The environment secretary, Thérèse Coffey, is expected to set out plans next week that ministers believe will “make polluters pay”, with fines levied on water companies put into a “water restoration fund”.

Colleagues and students query role of Jody Freeman, who won prestigious research grant despite sitting on ConocoPhillips board

An eminent Harvard environmental law professor’s links to the fossil fuel industry are under scrutiny from colleagues and students after she was awarded a prestigious research grant to investigate corporate climate pledges.

Jody Freeman, founding director of Harvard’s environmental and energy law program and former Obama-era White House advisor, is a paid board member of ConocoPhillips – a Fortune 500 American multinational oil and gas company that was ranked the 13th most polluting in the world by a Guardian investigation in 2019. The firm’s controversial Willow drilling project in Alaska was recently approved by the Biden administration.