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Trillions of insects embark, largely unnoticed, on epic journeys every year across mountain ranges, deserts and seas, and it is only now, as their numbers suffer huge declines, that scientists are tracking their movements
On a cloudless sunny day in October 1950, ornithologists Elizabeth and David Lack stood on a mountain pass in the Pyrenees and observed a once-in-a-lifetime spectacle – clouds of migrating insects.
Up to 500 butterflies were fluttering past them every hour through the 2,200m-high Puerto de Bujaruelo mountain pass on the French-Spanish border. By mid-afternoon dragonflies were skimming through, outnumbering the butterflies by 10 to one. The spaces between were filled with thousands of tiny flies.
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Exclusive: finding out who owns land will become simpler under plans to make the best use of green spaces and hit net zero targets
Finding out who owns land in England is to become much simpler because a paywall will be lifted from large parts of the Land Registry, the government is to announce.
A small number of landowners control the majority of land but finding out who owns what is difficult to piece together, even for government departments, owing to the way the Land Registry operates. Freeing up access will make it easier to determine ownership of key areas, such as river catchments, grouse moors and peatland.
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Frome, Somerset: A small patch of land, leased by the council, will be the site of a new community project. And so we descend, ready to rewrite its future
Who crawled along Snail’s Bottom? Who found beauty on Bonnyleigh Hill? Who measured Little Acre Farm? This small patch of Somerset – like everywhere else in Britain – is a storied landscape, every feature named and memorialised by mostly forgotten individuals. Our job over the next two hours is to take one such name, one such story, and overwrite it with something better.
Over a level crossing, through a kissing gate and on to a public footpath running down sloping ground. I had only been told the local epithet for this banana-shaped paddock after we moved here, though my arm already understood its origin. A priapic stallion, its coat studded with burdock burrs like a peppered mackerel, had clamped its jaws around my humerus. “That’s bitey horse field,” people told me. Bitey no more, for the poor fly-grazing beast has left, and our ever-proactive town council has secured the land on a 99-year lease.
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Perhaps the biggest surprise is that it tricks ants into moving its seeds with a scent that mimics their larvae
Plants are superb at enticing animals to pollinate their flowers or carry off their seeds. But one plant co-opts an astonishing combination of fire, bees and ants to mastermind its reproduction.
The South African Natal crocus, Apodolirion buchananii, has a gloriously bright white flower that emerges from the ground before its leaves appear in early spring. But the flower only blooms shortly after fire breaks out naturally in its native grasslands, leaving it standing like a beacon among the blackened grass to help lure bee pollinators, with an irresistible sweet scent that wafts through the air.
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Exclusive: Fixing a leak can be simple and equivalent to closing a coal power station, making lack of action maddening, say analysts
The world’s worst mega-leaks of the potent greenhouse gas methane in 2025 have been revealed by an analysis of satellite data.
The super-polluting plumes from oil and gas facilities have a colossal heating impact on the climate but often result from poor maintenance and can be simple to fix. The assessment found dozens of mega-leaks, each having the same global heating impact as a coal-fired power station.
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Our photojournalist explores the Cornish landmark on the eve of its anniversary and meets some of its staff, visitors, plants and creatures
“Give me a sleeping bag and I’ll happily sleep here overnight,” says Kim Mackintosh as she wanders amid the vibrant flora of the Mediterranean biome at the Eden Project on the eve of the tourist attraction’s 25th anniversary.
Loupe in hand, the leader of the biome’s horticulture team is marvelling at an array of plants that have recently come into bloom, tenderly examining the yellow furry buds of an Acacia glaucoptera before flogging a Grevillea flower to dispense its rich, honey-flavoured nectar.
Kim Mackintosh inspects the ‘kangaroo paw’ of an Anigozanthos through her loupe. All photographs by Jonny Weeks
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From fluffy owlets to rosy-hued flamingos, Claire Rosen’s portraits of live birds took her on a journey that touched on colonialism, wallpaper design … and chickens
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Prof Kaveh Madani, winner of the Stockholm water prize, was accused of sabotage with his environmental work
Eight years before he got the call telling him he had won the Stockholm water prize, Prof Kaveh Madani was being interrogated by Iran’s Revolutionary Guards, accused of being a spy for the CIA, MI6 or the Mossad.
Today he is in exile and on Wednesday won the world’s most prestigious water prize for combining “groundbreaking research on water management with policy, diplomacy and global outreach, often under personal risk and political complexity”.
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As the hit travelogue about the worlds beneath us becomes a film, its maker takes us on a voyage through Las Vegas storm drains and the caves of Yucatán – via Goatchurch Cavern in the bowels of Somerset
Just off the B3134 in Somerset is a portal to the underworld. The smaller of two openings to Goatchurch Cavern, it’s called the Tradesman’s Entrance – and through it I am squeezing. After tumbling on my bum over damp smooth rock, lacerating a jumpsuit in the process, I venture down and down, sometimes crawling, sometimes standing upright, trying to find footholds in the dark.
I’m here with film-maker Robert Petit, so he can show me something of what he’s been experiencing for the past five years, on his way to making an endearingly poetic documentary film called Underland, which riffs on nature-writer Robert Macfarlane’s bestselling 2019 subterranean travelogue of the same name. We’re heading 100ft underground to the Boulder Chamber where, over sugary snacks, I will quiz him about his obsession.
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The detection at a popular park of ‘one of the worst invasive species to reach Australia’ is causing concern that suppression efforts are cracking
The Newmarket women’s football side was gearing up for its clash against crosstown club New Farm United in Brisbane’s inner northern suburbs on Saturday morning when a message pinged in the team’s group chat.
Just hours before kick-off, the game was postponed, to a date undetermined.
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