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:
Thandie Newton: Embracing Otherness, Embracing Myself
Actor Thandie Newton tells the story of finding her "otherness" -- first, as a child growing up in two distinct cultures, and then as an actor playing with many different selves. A warm, wise talk, fresh from stage at TEDGlobal 2011.
Stewart Brand: The dawn of de-extinction. Are you ready?
This video is Stewart Brand's Ted lecture on the scientific challenges and moral issues surrounding the resurrection of extinct species.
Alexander Tsiaras: Conception to Birth - Visualized
Image-maker Alexander Tsiaras shares a powerful medical visualization, showing human development from conception to birth and beyond. (Some graphic images.)
YANTRA YOGA The Tibetan Yoga of Movement
Yantra Yoga, the Buddhist parallel to the Hathayoga of the Hindu tradition, is a system of practice entailing bodily movements, breathing exercises, and visualizations.
Sarah Kay: If I Should Have a Daughter ...
"If I should have a daughter, instead of Mom, she's gonna call me Point B ... " began spoken word poet Sarah Kay, in a talk that inspired two standing ovations at TED2011. She tells the story of her metamorphosis -- from a wide-eyed teenager soaking in verse at New York's Bowery Poetry Club to a teacher connecting kids with the power of self-expression through Project V.O.I.C.E. -- and gives two breathtaking performances of "B" and "Hiroshima."