Dolphins in Channel carry ‘toxic cocktail’ of chemicals

High levels of mercury and banned industrial fluids, found in blubber and skin, can impact reproduction

Bottlenose dolphins in the Channel have been found to carry a “toxic cocktail” of chemicals in their bodies, some of which have been banned for decades and which may be harming the marine mammals’ health, scientists have said.

Belgian and French scientists said they detected high accumulations of industrial fluids and mercury in the blubber and skin of dolphins in the waters off the north-west coast of France.

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Australian natural disasters minister’s complete about face: ‘I believe in climate science’

David Littleproud’s comments to parliament entirely at odds with earlier statement to Guardian Australia

Australia’s minister responsible for drought and natural disasters, David Littleproud, now says he accepts the science on manmade climate change, and “[I] always have”.

Littleproud’s comments to the House of Representatives on Thursday were entirely at odds with a written statement he made to Guardian Australia on Tuesday. In response to questions, Littleproud said: “I don’t know if climate change is man-made.”

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Japan should scrap nuclear reactors after Fukushima, says new environment minister

Shinjiro Koizumi says: ‘We will be doomed if we allow another accident to occur’

Japan’s new environment minister has called for the country’s nuclear reactors to be scrapped to prevent a repeat of the Fukushima nuclear disaster.

Shinjiro Koizumi’s comments, made hours after he became Japan’s third-youngest cabinet minister since the war, could set him on a collision course with Japan’s pro-nuclear prime minister, Shinzo Abe.

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Shocking news: world’s most powerful electric eel found in Amazon

Electrophorus voltai can deliver a jolt of 860 volts, much more than existing record of 650 volts

DNA research has revealed two entirely new species of electric eel in the Amazon basin, including one capable of delivering a record-breaking jolt.

The findings are evidence, researchers say, of the incredible diversity in the Amazon rainforest – much of it still unknown to science – and illustrate why it is so important to protect a habitat at risk from deforestation, logging and fires.

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Environment officials sensitive about Angus Taylor grasslands meeting, emails show

Before the meeting an official asked about the Taylor company being investigated for alleged illegal land clearing

Department of the environment officials were acutely sensitive about meeting Angus Taylor over critically endangered grasslands while his family’s company was being investigated for alleged illegal land clearing in New South Wales, according to internal emails.

The information is revealed in correspondence that had previously been partially redacted from documents obtained by Guardian Australia under freedom of information laws in June this year.

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Diesel cars emit more air pollution on hot days, study says

Emissions rose 20-30% in Paris when temperatures topped 30C, raising urgent questions as the climate gets hotter

Emissions from diesel cars – even newer and supposedly cleaner models – increase on hot days, a new study has found, raising questions over how cities suffering from air pollution can deal with urban heat islands and the climate crisis.

Research in Paris by The Real Urban Emissions (True) initiative found that diesel car emissions of nitrogen oxides (NOx) rose by 20% to 30% when temperatures topped 30C – a common event this summer.

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Barcelona’s car-free ‘superblocks’ could save hundreds of lives

Report predicts radical scheme could cut air pollution by a quarter as other cities including Seattle prepare to follow suit

Barcelona could save hundreds of lives and cut air pollution by a quarter if it fully implements its radical superblocks scheme to reduce traffic, a new report claims.

A study carried out by the Barcelona Institute for Global Health calculates that the city could prevent 667 premature deaths every year if it created all 503 superblocks envisaged in its initial plan – up from the current six schemes.

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World ‘gravely’ unprepared for effects of climate crisis – report

Trillions of dollars needed to avoid ‘climate apartheid’ but this is less than cost of inaction

The world’s readiness for the inevitable effects of the climate crisis is “gravely insufficient”, according to a report from global leaders.

This lack of preparedness will result in poverty, water shortages and levels of migration soaring, with an “irrefutable toll on human life”, the report warns.

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‘Chaos, chaos, chaos’: a journey through Bolsonaro’s Amazon inferno

A 2,000km road and river odyssey in Brazil reveals consensus from all sides: Bolsonaro has ushered in a new age of wrecking

From afar it resembles a tornado: an immense grey column shooting thousands of feet upwards from the forest canopy into the Amazonian skies.

Up close it is an inferno: a raging conflagration obliterating yet another stretch of the world’s greatest rainforest as a herd of Nelore cattle looks on in bewilderment.

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Australia launches emergency relocation of fish as largest river system faces collapse

There are doubts the Noah’s Ark plan for the Lower Darling will be enough to prevent more mass fish kills

Faced with a looming ferocious summer with little rain forecast, the New South Wales government has embarked on a Noah’s Ark type operation to move native fish from the Lower Darling – part of Australia’s most significant river system – to safe havens before high temperatures return to the already stressed river basin.

Researchers have warned of other alarming ecological signs that the Lower Darling River – part of the giant Murray-Darling Basin – is in a dire state, following last summer’s mass fish kills.

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How snakebites became an invisible health crisis in Congo

Daily life is fraught with danger for people living in remote areas of a country where health funding is as scarce as specialist medicine

All photographs by Hugh Kinsella Cunningham

In the vast jungles that cover the Democratic Republic of the Congo, one of the world’s most invisible health crises burns on. The country’s extensive equatorial forests are home to numerous species of venomous snakes, but their habitat is shared by secluded communities that are being forced to look further and further afield for their resources due to poverty and the pressures of conflict and climate change.

It puts DRC at the centre of an issue Médecins Sans Frontières has called a “neglected crisis”: death by snake bite.

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Capital in waiting: trepidation in corner of Borneo earmarked as the new Jakarta

Plan formally announced in August will see 1.5 million people move to new capital, but residents and conservationists have expressed deep concerns

Sugio’s orchard is his life’s work and a great source of pride for the 79-year-old resident of Tengin Baru village in Indonesia’s East Kalimantan. The orchard sits back from the main road, which in places is no more than a potholed track that cuts through jungles and villages. The plot of land is tranquil and filled with birdsong.

For 42 years Sugio has cultivated his hectare, diligently planting a variety of colourful fruits and vegetables. He points out corn, durian, rambutan, pepper and sweet potato plots; ducks and chickens wander around in the afternoon sun. “We have everything we need here,” he says. “Our family can’t even eat everything before it spoils, so we sell it at the market. Our life is already perfect.”

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‘It can kill you in seconds’: the deadly algae on Brittany’s beaches

Activists say stinking sludge is linked to nitrates in fertilisers from intensive farming

André Ollivro stepped carefully down the grassy banks of an estuary in the bay of Saint-Brieuc, Brittany, not far from his beachfront cabin. The pungent smell of rotting eggs wafting from decomposing seaweed made him stop and put on his gas mask. It was a strange sight in what is usually a tourist hotspot.

“You can’t be too careful,” said the 74-year-old former gas technician, who is leading the fight against what has come to be known as France’s coastal “killer slime”.

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Driven to despair: road toll charges take centre stage in Norway vote

Gilets jaunes-style movement has threatened to bring down national government

Regional elections in Norway on Monday are being billed as a referendum on the country’s environmental policies, with the country split over road toll rises that have already threatened to bring down the national government.

A sharp increase in motorway toll and congestion charges in recent years has helped fuel a political movement that is proving a threat to mainstream parties in a number of major cities.

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Out of the jungle and into a death trap: the fate of Malaysia’s last nomadic people

The Batek started to die after being forced from their land. Were they poisoned by the plantations and mines that replaced their homes? The government is in no hurry to find out…

It swept over the settlement like a plague. First came a fever, then their throats swelled up, their eyes became bloodshot and their lungs rattled with coughing. And then they began to die.

Over two weeks in May, 15 members of Malaysia’s last nomadic people, the Batek, were killed by this mysterious disease, while more than 100 were hospitalised. By the end, only about 20 of the 186 people in the tribe living in their Kuala Koh settlement were left untouched.

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Country diary: this stone is a tabernacle of folk memory

Lledr valley, Snowdonia: Birdsong scatters like elegies here where once an old woman screamed her curses

This split rock with the wizened rowan growing from its cleft – I was first made aware of it by the old butcher from Dolwyddelan who gave me a lift along the valley one wet day when I was a young teenager on my first walking tour through Wales. He drew his Morris van to a halt, gestured towards it and gave me its name: Maen yr hen wraig sy’n melltithio – the stone of the old cursing woman.

In some earlier time, he told me, a woman would stand on top of it and scream imprecations at passersby. He showed me a kind of cave behind it. “Some say she used to live in there,” he added. He knew no more than those folk memories, which have hovered in my mind for 60 years.

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‘It’s all gone’: shattered Bahamas counts cost of Hurricane Dorian’s destruction

Lashing rain, 185mph winds – the ferocious storm has left 43 dead and hundreds missing. Oliver Laughland reports from the rubble of Grand Bahama

As Erica Roberts clung to a tall mango tree, the winds and sea water churned up by Hurricane Dorian pounding her face, a single thought ran through her head: “I will not die like this.”

Related: 'I thought no one was coming to rescue us': Abaco Islanders flee Dorian's destruction

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Malaysia complains of smog from Indonesian forest fires

Residents inhaling smoke from peat and trees burned hundreds of miles away

An increase in Indonesian forest fires – the sharpest rise since 2015 – has infuriated neighbouring Malaysia, where residents are inhaling smoke from peat and trees burned hundreds of miles away.

More than 14 megatonnes of carbon dioxide were discharged from the blazes on 5 September, more than triple the average on this day over the previous 15 years, according to satellite data from the Copernicus Atmosphere Monitoring Service.

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Amazon fires are a shameful indictment of our lust for excess

The flames engulfing the world’s biggest rainforest are a human tragedy as well as an environmental one. We are all to blame

The scale of the devastation caused by the wildfires still raging in the Amazon is hard to comprehend. This is a rainforest that provides one-fifth of the world’s oxygen; it is hard not to feel powerless and despairing in the face of the disaster overtaking the region.

But however strong – and bitter – the feeling about this as an environmental catastrophe, we must never lose sight of the fact that it is also a human tragedy.

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