Human destruction of nature is ‘senseless and suicidal’, warns UN chief

UN report offers bedrock for hope for broken planet, says António Guterres

Humanity is waging a “senseless and suicidal” war on nature that is causing human suffering and enormous economic losses while accelerating the destruction of life on Earth, the UN secretary-general, António Guterres, has said.

Guterres’s starkest warning to date came at the launch of a UN report setting out the triple emergency the world is in: the climate crisis, the devastation of wildlife and nature, and the pollution that causes many millions of early deaths every year.

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Gone fishing: the fight to save one of the world’s most elusive wild cats

With webbed feet and a tail for a rudder, Asia’s fishing cats face shrinking habitats. But conservation efforts in West Bengal are helping it swim against the tide

For more than a decade, wildlife biologist Tiasa Adhya has spent many a day (and night) in a small wooden boat, silently gliding through dense vegetation in the wetlands and mangroves of West Bengal, scanning the banks for signs of a rarely seen wild cat – the fishing cat (Prionailurus viverrinus).

Fishing cats are fascinating animals,” she says. “They have co-inhabited riverine deltas and floodplains alongside humans for centuries. Ancient cultures like the Khmer empire show evidence of fishing cats.” As co-founder of the world’s longest-running fishing cat research and conservation project, Kolkata-based Adhya is dedicated to this endangered felid, one of the least-studied and understood wildcats.

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To see a mockingbird: birdwatchers fined for breaking Covid rules

Five twitchers travelled to Devon to photograph a northern mockingbird, last seen in the UK in the 1980s

Five birdwatchers have been fined for breaking Covid-19 restrictions after they travelled to Devon to try to see a rare specimen after a Twitter tipoff.

They were looking to catch sight of a northern mockingbird, normally found in North America, which had been spotted by Exmouth resident Chris Biddle.

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Second crocodile killed and examined for human remains after man went missing in Queensland

It’s the third crocodile attack in the state this month, after two swimmers in Cairns and Weipa survived encounters

A second crocodile has been killed and will be examined for human remains after a 69-year-old fisher went missing in north Queensland.

The reptile, measuring about 3 metres, was caught and euthanised by Department of Environment and Science officers near Hinchinbrook Island on Sunday night.

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Seed-sized chameleon found in Madagascar may be world’s tiniest reptile

Male nano-chameleon, named Brookesia nana, has body only 13.5mm long

Scientists say they have discovered a sunflower-seed-sized subspecies of chameleon that may well be the smallest reptile on Earth.

Two of the miniature lizards, one male and one female, were discovered by a German-Madagascan expedition team in northern Madagascar.

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Blue whales threatened by ship collisions in busy Patagonia waters

Endangered giants face potentially fatal encounters with the 1,000 daily fishing vessels moving through main feeding area off Chile, scientists warn

The largest mammal ever to live on the Earth, the blue whale, is under threat from boat collisions as one of its main feeding grounds in Chilean Patagonia is overrun with vessels, a new study has revealed.

The endangered whales must contend with up to 1,000 boats moving daily through an important feeding area in the eastern South Pacific, according to research published in the scientific journal Nature.

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Grubs up! Mealworms are on the menu – but are we ready for them?

The mealworm market is expected to boom after the EU ruled them safe to eat. Insects are a popular food in most countries, so can Europeans get over the yuck factor?

It’s a bit … well, mealy. Dry (because it’s been dried), a little crunchy, not strongly flavoured, neither pleasant nor unpleasant. Salt would probably help, or chilli, lime – something, anything, to spice it up a bit. And definitely a beer, if I was going to consume much more, to help wash it down.

I’m eating mealworms. Dried yellow mealworms, the larvae of the beetle Tenebrio molitor. Why? Because they are nutritious, made up mainly of protein, fat and fibre. Because there are potentially environmental and economic benefits, as they require less feed and produce less waste and carbon dioxide than other sources of animal protein. And because Efsa, the EU food safety agency, has just declared them safe to eat.

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Box seat: scientists solve the mystery of why wombats have cube-shaped poo

Unique physiology allows the Australian marsupial to produce square-shaped faeces that may aid communication

How wombats produce their cube-shape poo has long been a biological puzzle but now an international study has provided the answer to this unusual natural phenomenon.

The cube shape is formed within the intestines – not at the point of exit, as previously thought – according to research published in scientific journal Soft Matter on Thursday.

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More than 700 pelicans found dead in Senegal world heritage site

Rangers are investigating mystery deaths at Djoudj bird sanctuary, a migratory pitstop for hundreds of bird species

Seven hundred and fifty pelicans have been found dead in a Unesco world heritage site in northern Senegal that provides refuge for millions of migratory birds, the country’s parks director has said.

Rangers found the pelicans on Saturday in the Djoudj bird sanctuary, a remote pocket of wetland near the border with Mauritania and a resting place for birds that cross the Sahara into west Africa each year.

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Humpback whales may be struggling to breed as climate crisis depletes food

Scientists say decline in calves born in past 15 years due to diminishing herring stocks in warming north Atlantic

Humpback whales could be struggling to breed due to rapid environmental change in the ocean caused by the climate crisis, a study suggests.

Scientists have confirmed a significant decline in the number of calves born to female humpbacks over the past 15 years in the Gulf of St Lawrence, Canada, an important summer feeding ground for migrating whales. They said the climate crisis has led to rapid sea temperature and sea level rise in this area of the north Atlantic, with knock-on effects for the ecosystem that include decreasing numbers of herring, a vital food source for humpback whales.

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‘I almost cracked’: 16-month artistic performance of mass extinction comes to a close

Since 2019, Lucienne Rickard has been drawing detailed sketches of lost species in a Hobart gallery. On Sunday she erased the final one

The Tasmanian Museum and Art Gallery in Hobart is filled with people waiting for the swift parrot to disappear.

Hobart artist Lucienne Rickard has spent five weeks drawing a large-scale pencil sketch of the critically endangered bird. Picking up her eraser, she tells her audience, “If we don’t do something soon, this is what will happen.”

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As birth rates fall, animals prowl in our abandoned ‘ghost villages’

Human populations are set to decline in countries from Asia to Europe – and an unusual form of rewilding is taking place

For many years it seemed that overpopulation was the looming crisis of our age. Back in 1968, the Stanford biologists Paul and Anne Ehrlich infamously predicted that millions would soon starve to death in their bestselling, doom-saying book The Population Bomb; since then, neo-Malthusian rumblings of imminent disaster have been a continual refrain in certain sections of the environmental movement – fears that were recently given voice on David Attenborough’s documentary Life on our Planet.

At the time the Ehrlichs were publishing their dark prophecies, the world was at its peak of population growth, which at that point was increasing at a rate of 2.1% a year. Since then, the global population has ballooned from 3.5 billion to 7.67 billion.

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How creating wildlife crossings can help reindeer, bears – and even crabs

Sweden’s announcement this week that it is to build a series of animal bridges is the latest in global efforts to help wildlife navigate busy roads

Every April, Sweden’s main highway comes to a periodic standstill. Hundreds of reindeer overseen by indigenous Sami herders shuffle across the asphalt on the E4 as they begin their journey west to the mountains after a winter gorging on the lichen near the city of Umeå. As Sweden’s main arterial road has become busier, the crossings have become increasingly fractious, especially if authorities do not arrive in time to close the road. Sometimes drivers try to overtake the reindeer as they cross – spooking the animals and causing long traffic jams as their Sami owners battle to regain control.

“During difficult climate conditions, these lichen lands can be extra important for the reindeer,” says Per Sandström, a landscape ecologist at the Swedish University of Agricultural Sciences who works as an intermediary between the Sami and authorities to improve the crossings.

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Quarter of known bee species have not been recorded since 1990

Global study finds that species numbers reported in the wild fell sharply between 1990 and 2015

The number of wild bee species recorded by an international database of life on Earth has declined by a quarter since 1990, according to a global analysis of bee declines.

Researchers analysed bee records from museums, universities and citizen scientists collated by the Global Biodiversity Information Facility, (GBIF) a global, government-funded network providing open-access data on biodiversity.

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Giant worm’s undersea lair discovered by fossil hunters in Taiwan

Scientists believe 2-metre-long burrow once housed predator that ambushed passing sea creatures

The undersea lair of a giant worm that ambushed passing marine creatures 20m years ago has been uncovered by fossil hunters in Taiwan.

Researchers believe the 2-metre-long burrow found in ancient marine sediment once housed a prehistoric predator that burst out of the seabed and dragged unsuspecting animals down into its lair.

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Sweden to build reindeer bridges over roads and railways

‘Renoducts’ will help animals who have to roam further for food due to global heating

Sweden is to build up to a dozen bridges so reindeer can safely cross railway lines and major roads in the north of the country as global heating forces them to roam further afield in search of food.

State broadcaster SVT said the transport authority aimed to start work on the first of the new bridges, named “renoducts”, a portmanteau from ren (reindeer) and viaduct, later this year near the eastern city of Umea.

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‘My neighbourhood is being destroyed to pacify his supporters’: the race to complete Trump’s wall

In his final months in office, Donald Trump has ramped up construction on his promised physical border between the US and Mexico – devastating wildlife habitats and increasing the migrant death toll

At Sierra Vista Ranch in Arizona near the Mexican border, Troy McDaniel is warming up his helicopter. McDaniel, tall and slim in a tan jumpsuit, began taking flying lessons in the 80s, and has since logged 2,000 miles in the air. The helicopter, a cosy, two-seater Robinson R22 Alpha is considered a work vehicle and used to monitor the 640-acre ranch, but it’s clear he relishes any opportunity to fly. “We will have no fun at all,” he deadpans.

McDaniel and his wife, Melissa Owen, bought their ranch and the 100-year-old adobe house that came with it in 2003. Years before, Owen began volunteering at the nearby Buenos Aires National Wildlife Refuge, and fell in love with the beauty and natural diversity of the area, as well as the quiet of their tiny town. That all changed last July when construction vehicles and large machinery started “barrelling down the two-lane state road”, says Owen.

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Left stranded: US military sonar linked to whale beachings in Pacific, say scientists

Islands surrounded by US military study area, including Guam and Saipan, call for activity that harms the whales to stop

In the midst of the western Pacific, flanked by the world’s deepest ocean trench, the waters off the Mariana Islands are home and habitat to whales, dolphins, and countless other marine mammals as they breed and feed.

It’s also where they encounter the might of the US military.

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Top scientists warn of ‘ghastly future of mass extinction’ and climate disruption

Sobering new report says world is failing to grasp the extent of threats posed by biodiversity loss and the climate crisis

The planet is facing a “ghastly future of mass extinction, declining health and climate-disruption upheavals” that threaten human survival because of ignorance and inaction, according to an international group of scientists, who warn people still haven’t grasped the urgency of the biodiversity and climate crises.

The 17 experts, including Prof Paul Ehrlich from Stanford University, author of The Population Bomb, and scientists from Mexico, Australia and the US, say the planet is in a much worse state than most people – even scientists – understood.

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