David MacKay: A reality check on renewables
How much land mass would renewables need to power a nation like the UK? Information theorist and computer scientist David MacKay does a reality check...
How much land mass would renewables need to power a nation like the UK"Sustainable Energy--Without the Hot Air", available online for free.
In this video filmed at TED's offices, energy theorist Amory Lovins lays out the steps we must take to end the world's dependence on oil. This video was first released on TED.com.