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7:44

Al Gore

What comes after An Inconvenient Truth?

Posted May 2009
3:29

Brian Cox

What went wrong at the LHC

Posted May 2009
18:06

Shai Agassi

A new ecosystem for electric cars

Posted Apr 2009
5:25

Saul Griffith

High-altitude wind energy from kites!

Posted Mar 2009
19:55

Bill Gross

A solar energy system that tracks the sun

Posted Feb 2009
9:12

Larry Burns

The future of cars

Posted Dec 2008
16:06

Keith Bellows

The camel's hump

Posted Sep 2008
16:09

Patricia Burchat

Shedding light on dark matter

Posted Aug 2008
15:54

Craig Venter

On the verge of creating synthetic life

Posted Mar 2008
19:44

Amory Lovins

Winning the oil endgame

Posted Dec 2007
18:10

Juan Enriquez

Using biology to rethink the energy challenge

Posted Nov 2007
21:20

Paul MacCready

A flight on solar wings

Posted Sep 2007
4:12

William Kamkwamba

How I built a windmill

Posted Jul 2007
17:43

Bill Stone

Inside the world's deepest caves

Posted Jun 2007
19:44

James Howard Kunstler

The ghastly tragedy of the suburbs

Posted May 2007