Tres videos de Al Gore

Al Gore: 15 ways to avert a climate crisis:
http://www.youtube.com/watch?v=rDiGYuQicpA&feature=relmfu

Al Gore: New thinking on the climate crisis:
http://www.youtube.com/watch?v=rUO8bdrXghs&feature=relmfu

Al Gore: Alarming new slides of the worsening climate crisis:
http://www.youtube.com/watch?v=d3B541KM3q4&feature=relmfu