It's long been established that Arctic Ocean sea ice is on the retreat, writes Tim Radford. But it's the pace of change that's surprising scientists: latest studies show that the ice-free period is increasing by 5 days / decade.
Brian May is best known as lead guitarist for the rock band Queen. But as Lesley Docksey discovers, he is also an astrophysicist, and a committed - and highly effective - advocate for Britain's wild animals, including badgers put at risk by England's cull programme.
Who and what are biofuel sustainability standards designed to benefit? They are meant to safeguard forests and communities, writes Almuth Ernsting - but their real purpose is to protect the biofuel industry ...
Illinois is one of six US states that allows communities to aggregate and specify their energy purchases. Now 91 - comprising 1.7 million people - have used that power to buy 100% renewable electricity.
We need a robust and open system to accurately record the loss of ancient woodland, argues Mike Townsend. Only then can we fully realise the scale of the problem - and tackle it effectively.
Nigeria is suffering political instability resulting from desertification and pollution, writes Senator Bukola Saraki. As Africa's most populous country it has no choice but to engage in the fight against climate change, its causes, and its consequences.
The US Solar sector boomed in 2013, with a record breaking volume of new solar capacity added - almost 5,000MW. And as John Rogers reports, the party is set to carry on through 2014.
The nuclear industry and its media cheerleaders have raised a chorus of misinformation over Fukushima, writes Karl Grossman. But their attempts to suppress the truth are ultimately doomed to failure.
Europe's periphories are meant to be in a state of collapse - but not so the Shetland Isles, where Thembi Mutch found a land of open skies, howling storms, historic traditions, and an active, growing community of notable individuals ...
The two largest grocery stores in the United States, Kroger and Safeway, have promised to not sell GMO salmon. Over 9,000 stores nationwide have now committed to being free of the controversial fish.
As global media focus on Crimea's forthcoming referendum on whether to join Russia, we remember another 'Act of Free Choice' in West Papua in 1969 - which set off 45 years of military occupation, theft, repression and murder.
First the UK made a mess of wind and let Denmark take the prize. And now, writes Godfrey Boyle, the government's prevarication is risking our lead in another key renewable energy sector - marine power.
The ancestors of America's Indians lived in Beringia - the land exposed during the last ice age that is now the Bering Strait - for millennia, genetic studies have determined. Scott Armstrong Elias reports.
Unlike many US politicians the Pentagon is a firm believer in climate science. But although it foretells climate devastation on a global scale, reports Steve Horn, it has no credible plan to cut its own gigantic fossil fuel burn.
