As the demand for oil increases, fragile wilderness areas across the world are being opened up to oil exploration and furious debate.

 Producers' Diary: Working (or Rather Not Working) With Oil Companies

This programme travels from the political lobbies of Washington DC to Alaska, where the pristine landscape of the Arctic National Wildlife Refuge could soon be the site of extensive oil development, and on to Alberta where production of 'The World's Worst Oil' is already underway.

 Producers' Diary: Dave Yager: The Other Side of the Story

Opposition from environmental groups is growing but so is the world's hunger for oil. We need the oil but how far will we go to get it?

 Quiz: How much do you know about the black stuff?

 THE CURSE OF OIL HOMEPAGE

Previous documentaries on BBC Four

Exxon Valdez Oil Spill Trustee Council
Organisation overseeing restoreation of the injured ecosystem

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