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New threats to public lands endanger America's unique wildlife corridors

Mule deer, pronghorn and other animals rely on unbroken migration routes for food and survival, a necessity now in jeopardy as Trump pushes for development Follow a Reddit AMA on the Guardian’s public lands series from 12pm ET Monday The life of a Wyoming mule deer is a tough one. In order to survive, thousands […]

Across Dartmoor on horseback: Country diary 50 years ago

Originally published in the Guardian on 17 June 1967 DARTMOOR: The best way to see the country of the high moorland is, I am now convinced, from horseback. A docile eight-year-old mare carried me for three hours over Holne Moor and along the thickly wooded valley of the Dart and provided a morning of great […]

With particles, size really matters

Engineers call them nano-particles, and close to congested roads and busy airports, we inhale them in astonishing numbers In 1996, the Scottish scientist Anthony Seaton put forward a new theory about the health problems from modern air pollution. Throughout our evolution, we have always lived with dusts, but Seaton suggested that the problems from modern […]

Flash mob: the World Naked Bike Ride comes to London – in pictures

Hundreds stripped off as the World Naked Bike Ride hit London this weekend, aimed at encouraging a ‘vision of a cleaner, safer, body-positive world’ Join us for Guardian Cities cycle week from Monday as we explore the good and bad of urban cycling around the world Continue reading… Source: Guardian Climate Change

Rio Tinto bidding war: Glencore offers US$100m more for Australian coalmines

Miner initially said it was selling Coal & Allied to Yancoal, which is majority controlled by China’s Yanzhou Coal A multibillion-dollar bidding war for most of Rio Tinto’s Australian coalmines has broken out between China-backed Yancoal and Glencore after the Swiss commodities company made an unexpected offer. Rio Tinto, the world’s second-largest miner, is exiting […]

The eco guide to prison labour

The world’s biggest companies, from Starbucks to Victoria’s Secret, use prisoners to work on their products. Is it helpful work experience or sheer exploitation? We are all, at heart, ethical consumers. I’ve never met anyone actively looking for a dose of slave labour with their teabags, window frames or underwear. 71% of companies surveyed in […]

Josh Frydenberg says he's trying to convince Coalition MPs to support clean energy target

Minister argues Alan Finkel’s recommendations won’t punish existing coal-fired power stations nor rule out new ones The federal energy minister is working to convince all his Coalition colleagues of the merits of a proposed clean energy target as several publicly raise concerns about its impact on coal. Josh Frydenberg is at pains to point out […]

Salmon farmers ‘put wild fish at risk’ in fight to kill off sea lice

Use of wrasse to combat parasite threatens natural stocks, say experts Salmon farmers have been accused of playing dirty by using fish caught in the wild to clean lice from Scottish fish farms. Marine conservation experts say that shipping tonnes of English-caught wrasse a year – to tackle lice infestations in salmon pens north of […]