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Finding that Norfolk butterfly has been distinct subspecies for 200,000 years could transform conservation approach
The endangered swallowtail butterfly Papilio machaon britannicus, which is only regularly found breeding in Britain on the Norfolk Broads, has been a distinct subspecies for at least 200,000 years, according to a study.
Smaller, darker in colour and much rarer than the continental swallowtail, britannicus was previously considered to have developed its distinctive form during its confinement in the wetlands of eastern England over the last 8,000 years, after the flooding of Doggerland.
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Workers proud of their efforts to grow renewable energy say US president pursuing ‘personal vendetta’ at their expense
Donald Trump has blamed everything – from “national security” issues, the deaths of birds and whales, and cancer – in his decades-long campaign against windfarms. But as the Trump administration continues to undermine the industry, what worries workers most are their jobs.
Since taking office for the second term, Trump has issuedan executive order aiming to halt all wind-energy leases and permits, attempted to issue stop-work orders on wind projects under construction, and paid more than $2.6bn in settlements to buy out wind energy leases. And hundreds of workers have been affected.
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Ailsworth, Cambridgeshire: It’s hard enough to find the crested cow-wheat, it would be even harder were it not for one far-sighted warden
Before 7am, the heat is already pressing down. I’ve come out early for my annual pilgrimage to a local colony of crested cow‑wheat, Melampyrum cristatum. On each side of the narrow path, orchids stand among the grasses, overtopped by the pale pink froth of common valerian flowers, whose scent always puts me in mind of sugared almonds. Stock doves call gently from an oak. Around my boots, grasshoppers and crickets fizz and spring aside.
In among it, to my excitement, is a tangled abundance, thousands of plants jostling with mats of wild liquorice. The flowers repay close attention – soft primrose-coloured tubes with plush mouths, stacked one above another, flushing magenta with age, each held in a purplish bract, elegantly curved and sharply toothed. This is the crest that gives the plant both its common and scientific names.
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Cooling down has become political amid record highs, as experts say row is distracting from work of protecting lives
As the afternoon heat rose to a dizzying 41.7C (107F) in eastern Brandenburg on Sunday, taking German temperatures to unprecedented highs, Mario, 65, took precautions but did not panic. Two years ago, a fierce heatwave had prompted him to buy a powerful device that few Germans own: an air conditioning unit.
“The summers are slowly getting warmer,” says the retired handyman in Neuzelle on the German-Polish border, whose bungalow is now among the 6% of German homes with fixed air-conditioning. “And as you get older, the heat gets harder to endure.”
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Huge numbers of blackchin tilapia, a fish native to west Africa, are wreaking havoc among Thailand’s river ecosystems. Experts – and some chefs – are seeking sustainable solutions
The menu at Kor-Tae seafood restaurant, in Thailand’s Samut Prakan province, is filled with Thai classics – from tom yum talay, a fragrant hot and sour soup, to spicy larb salads. But the restaurant’s chef is also experimenting with a more controversial ingredient: blackchin tilapia.
“People are hesitant, but once they try it – [they say] it’s delicious,” says owner Adisorn Jamsuksaward, who has been offering the non-native fish free of charge to friends who request it.
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Cornell Lab for Ornithology plans data linkup between app and population monitoring on eBird platform
The Merlin bird ID app will allow users to feed real-time bird identifications into one of the world’s biggest citizen-science biodiversity projects in an update it is hoped will aid conservation of at-risk birds.
Since 2021, the free Merlin app, created by the Cornell Lab for Ornithology, has used machine learning to provide an almost instantaneous sound-identification service for birdsong, along with an image for each bird identified. In future, the detections of bird species recorded by people will be automatically collected on the global online database eBird, which contains more than 2bn bird observation records.
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As this year’s invertebrate of the year competition launches, we join scientists studying last year’s winner
Witek Morek is closely inspecting an old brick-and-flint wall on the Cambridgeshire campus of the Wellcome Sanger Institute.
“We are going to use a very advanced tool designed by bioengineers and evolved over millions of years – the human hand – and grab some moss, and put it in an envelope,” he says.
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Villagers in Awoye in the Niger Delta say the ongoing pollution is causing sickness and environmental destruction, while pleas for help go unanswered
Perched on a narrow hospital cot across from her son, Bodunwa Orugbemi can hear the distant Atlantic Ocean and smell the stench of crude oil on the air drifting in from the shore. For days, her 21-year-old son has been lying in this hospital in the Niger Delta, swallowing small spoonfuls of food without being able to speak.
Seventy‑year‑old Orugbemi says Ijadopin started coughing one evening in May, inside their small wooden home in Awoye on Nigeria’s Atlantic coastline. After a few days his cough intensified, then he developed a skin irritation, followed by difficulty breathing.
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Climate crisis and warming waters have attracted long-toothed pufferfish to new parts of the Mediterranean
From his deckchair, his arms thrown above his head, his feet sliding back and forth in the sand, Pavlos Beleyiannis watches his grandchildren bathe in his favourite bay. It’s an idyllic scene, infused with a serenity that the newly retired truck driver attributes squarely to a sense of security.
For the first time, a floating barrier has been installed across the bay. Ducking, splashing and larking about, the children have not ventured beyond it. “Thank god it’s there to protect them,” he says with evident relief. “There weren’t such dangers in these seas when I was a child.”
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Suspicions grow in Lanarkshire that local people have been misled on supposed benefits of the huge development
The promise was that a Scottish community would be transformed by massive investment and empowered to chase “the jobs of the future”. Instead, local people in Lanarkshire fear they may have to sell their properties and lose green belt land because of the errors of a badly planned AI datacentre complex, even as those jobs and investments never arrive.
Late last year, representatives of Oakes Energy Services began to knock on doors in Newarthill, a village east of Glasgow. In letters reviewed by the Guardian, they invited residents to individual meetings. They told them about plans for a solar farm, say local people, and made offers: free solar panels, tree planting, or even cash for their properties.
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