The UN has greatly downplayed the scale of the global drinking water crisis, research carried out by the BBC suggests.

Al Gore, the former vice president of America and environmental campaigner, tells the BBC about his latest efforts to reinvigorate global action

The nuclear crisis unfolding in Japan will not affect EDF's plans to build new reactors in the UK, the firm's boss tells the BBC.

The nuclear crisis unfolding in Japan will not affect EDF's plans to build new reactors in the UK, the firm's boss tells the BBC.

Since Madagascar underwent a violent change of government in 2009, the island nation's economy has collapsed and illegal logging has boomed as people seek any means of earning a living. BBC Radio 4's Crossing Continents reveals how Madagascar's forests have been plundered since the political crisis began.

BBC News goes inside BP's Gulf oil spill crisis centre