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Heat and dust

Offering guaranteed light, clear blue skies and interesting geometrical patterns, deserts are a photorapher's paradise – just beware the dreaded dust and sand, and don’t leave your camera in the sun

The slippery summit

Ever since an Italian expedition first climbed K2, in 1954, its members have argued bitterly about a key aspect of the ascent. Mick Conefrey unearths evidence to shed new light on this famous mountaineering controversy

Skye three ways

Continuing his series of ‘microadventures’ around the British Isles, Alastair Humphreys headed to the Isle of Skye with the idea of cycling, climbing and kayaking his way around the spectacular island in 24 hours
New study demonstrates that despite increasing rates of extinction of organisms around the globe, in most areas, biodiversity is unchanged, or even increasing
The first known mass extinction in the history of complex life was caused by a series of eruptions in what is now Australia
Britain’s urban rivers are the cleanest they’ve been for more than 20 years, according to a 21-year study by scientists from Cardiff University
The Antarctic ice sheet is losing 159 billion tonnes of ice a year – twice as much as when it was last surveyed – a new study has found
With temperatures across Europe rising, lighter coloured butterflies and dragonflies are taking over from their dark-coloured relatives, according to a new study
A new study has found that tropical cyclones are reaching their peak intensity farther from the equator than in the past
New study detects tens of kilometres of previously uncharted deep valleys under Greenland ice sheet, suggesting the ice is significantly more vulnerable to warm ocean waters
Large-scale surface melting of Greenland ice in 1889 and 2012 caused by combination of rising temperatures and Northern Hemisphere forest fire ash, not warming alone
Over the past 30 years, wildfires across the western USA have been getting bigger and more frequent, according to new research

Ramita Navai

Ramita Navai is a British–Iranian journalist and broadcaster. Her first book, City of Lies: Love, Sex, Death and the Search for Truth in Tehran, details the extraordinary stories of the ordinary people she met in southern Tehran

Hotspot – Italy

With referendums on nationality very much in vogue, Klaus Dodds explores the ramifications behind a little known vote taking place in Northern Italy

Island sanctuaries

Combining a wild coastline, evocative ancient castles and some of Britain’s most important seabird colonies, the area around the Farne Islands in Northumberland is a photographer’s paradise

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