James Hansen: Why I Must Speak Out About Climate Change
Top climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change. In doing so he outlines the overwhelming evidence that change is happening and why that makes him deeply worried about the future.
Other Videos That May Interest You:
Seth Shostak: ET is (Probably) Out There -- Get Ready
Dr. Seth Shostak participates in the search for extraterrestrial life at the SETI Institute. He believes ET is out there, and there is a good chance we will discover him soon.
James Redfield speaks of UNITY and Oneness
James Redfield is an American author, lecturer, screenwriter and film producer. He is notable for his novel The Celestine Prophecy, which was a novel of the New Age Movement.
Phil Plait: How to Defend Earth From Asteroids
What's six miles wide and can end civilization in an instant? An asteroid - and there are lots of them out there. With humor and great visuals, Phil Plait enthralls the TEDxBoulder audience with all the ways asteroids can kill, and what we must do to avoid them.
Underwater Astonishments
David Gallo shows jaw-dropping footage of amazing sea creatures, including a color-shifting cuttlefish, a perfectly camouflaged octopus, and a Times Square's worth of neon light displays from fish who live in the blackest depths of the ocean.
The Infinite Game: How to Lead in the 21st Century
Simon Sinek joins the How To: Academy to present his latest insights on The Infinite Game. Simon explains how adopting an infinite mindset is necessary for leaders who want to build stronger, more innovative and more inspiring organizations.