David Cameron’s promise within his first month as UK prime minister to be “greenest government ever” looks at risk of derailment – by his own Chancellor, George Osborne.

Conservatives and Liberal Democrats appeared to carry over the political consensus on action on climate change and a switch to renewable energy. But what began as an ideological rift in the British Cabinet has become a very public clash between the Tory chief at the Treasury and the Lib-Dem boss at the Department of Energy and Climate Change. Keep reading →