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Last Updated: Wednesday, 17 May 2006, 11:08 GMT 12:08 UK
Green future?
oil pump at Maracaibo basin
Lovins says that dependence on oil can be phased out by 2050.

Stephen Sackur talks to green technology consultant Amory Lovins about his proposals to reduce CO2 emissions - and end our dependence on oil.

We are told that global warming could have devastating consequences before the end of this century.

That scientific consensus is driving an increasingly urgent effort to curb emissions of greenhouse gases.

We're told we have a choice: maximise economic growth, or pursue environmental sustainability.

Amory Lovins is a green energy advocate who says we can do both.

Stephen Sackur talks to him about his proposals to end our dependence on oil by 2050.

HARDtalk can be seen on BBC World at 0330 GMT 0830 GMT 1530 GMT 1830 GMT 2330 GMT

It can also be seen on BBC News 24 at 0430 and 2330

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