"MADRID -- Farmers drilling ever deeper wells over decades to water their crops likely contributed to a deadly earthquake in southern Spain last year, a new study suggests. The findings may add to concerns about the effects of new energy extraction and waste disposal technologies."

"A killer fungus has attacked ash trees across northern and central Europe, prompting pleas for the UK to ban sapling imports. But it may already be too late"

"Hundreds of problems have been found at European nuclear plants that would cost 25bn euros (£20bn) to fix, says a leaked draft report."

"Installed EU wind capacity has reached the 100 gigawatt mark - the equivalent of power generated from 39 nuclear plants or a train of coal stretching from Buenos Aires to Brussels - but financial risk threatens growth, industry body EWEA said."

"BP shut a Norwegian oil and gas field after a potentially dangerous leak, the company said on Tuesday, six days after the incident forced the emergency shutdown of the facility."

"Russan president Vladimir Putin, who has tracked a Siberian tiger and posed with a polar bear, on Wednesday took his love of wildlife to new heights by flying with cranes – to lead them on a migration route."

Ancient chestnut trees in Europe are vanishing. "The culprits: a moth that produces leaf-eating larvae and a bacterium that makes trunks bleed and die. ... A cure? Not immediately in sight."