Talks Tagged > Alternative energy

• Al Gore warns on latest climate trends

• 07:44 Posted: May 2009
  Comments 830   Emailed 420

• Al Gore: Averting the climate crisis

• 16:17 Posted: Jun 2006
  Comments 230   Emailed 708

• Alex Steffen: The route to a sustainable future

• 17:34 Posted: Apr 2007
  Comments 94   Emailed 545

• Amory Lovins: A 40-year plan for energy

• 27:10 Posted: May 2012
  Comments 327   Emailed 190

• Amy Smith shares simple, lifesaving design

• 15:06 Posted: Aug 2006
  Comments 71   Emailed 457

• Angela Belcher: Using nature to grow batteries

• 10:25 Posted: Apr 2011
  Comments 126   Emailed 438

• Craig Venter: On the verge of creating synthetic life

• 15:54 Posted: Mar 2008
  Comments 124   Emailed 844

• Daniel Schnitzer: Inventing is the easy part

• 05:42 Posted: Mar 2012
  Comments 78   Emailed 43

• David MacKay: A reality check on renewables

• 18:35 Posted: May 2012
  Comments 263   Emailed 72

• Donald Sadoway: The missing link to renewable energy

• 15:15 Posted: Mar 2012
  Comments 323   Emailed 473

• Iqbal Quadir says mobiles fight poverty

• 15:52 Posted: Oct 2006
  Comments 62   Emailed 249

• James Kunstler: How bad architecture wrecked cities

• 19:44 Posted: May 2007
  Comments 227   Emailed 1614