It’s almost a century since the 1924 expedition ended in tragedy, yet the question of whether the climbers conquered the summit remains unansweredOn the morning of 6 June, 1924, George Mallory – one of the world’s greatest mountaineers – set off with his companion, Sandy Irvine, from a camp on the slopes of Mount Everest and headed for its summit.A...

A new approach aims to restore fish levels in the Yukon River but some feel it unfairly targets traditional practices while failing to tackle huge losses to industrial fishing in the oceanEarlier this month Alaska officials announced a new plan they say could revive the Yukon River’s struggling salmon population. The 2,000-mile waterway that runs from...

People want more seafood than the oceans can sustainably supply, so a German firm aims to plug that gap with cultivated fish – but are consumers ready to buy it?The redbrick offices, just north of Hamburg’s River Elbe and a few floors below Carlsberg’s German headquarters, are an unexpectedly low-key setting for a food team gearing up to produce Europe’s...

Belfast: At first I thought it was the planes flying overhead, then I looked down and saw the most spectacular thing I’ve seen in natureI love going back to the same riverside path at the edge of the city. It’s so familiar, but thanks to nature no visit is ever the same. I took my first outdoor steps here beside pink flowers with seeds you can pop,...

Panel of nearly 100 countries to draw up guidelines for industries that mine raw materials used in low-carbon technologyA UN-led panel of nearly 100 countries is to draw up new guidelines to prevent some of the environmental damage and human rights abuses associated with mining for “critical minerals”.Mining for some of the key raw materials used in...

Lindsay McKenna’s wildlife centre takes in exotic animals when owners can’t cope. She and other experts fear the law is failing the very animals it is designed to protectWhen Lindsay McKenna went out to buy a piece of furniture from a seller, the last thing she expected was to return with a wild animal.“Something moved in the garage when I was in there...