Southern hemisphere oceans are warming at double the expected rate, a new study has found. This may explain why surface warming has slowed over the last decade - the oceans have absorbed the 'missing' heat.
Floating over the US Southwest is a cloud of methane the size of Delaware, writes Mike G - reflecting the release of almost 600,000 tonnes of the powerful greenhouse gas every year. Its origins? Coalbed gas production, fracking and horizontal drilling.
Solar power could be producing over a quarter of the world's electricity within 35 years, according to the International Energy Agency. But in the US, Congress's failure to extend solar tax credits is causing projects to be withdrawn.
Oil majors are gearing up to exploit Arctic oil, writes Mike G. But they don't want to carry the costs of all the safety equipment the US Government is demanding to protect the fragile Arctic environment from spills. And they're reluctant to give up the use of toxic chemical dispersants.
California and Texas continue to break new ground in making electricity generation from renewable sources, writes Mike G. Solar PV in particular has become a vital part of the US' energy mix, accounting for half of new generation capacity.
