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.
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Global Warming - Can We Risk It?
A new way to think about the climate change debate, with over 13 million total views on various postings.
Ramona Pierson: An Unexpected Place of Healing
When Ramona Pierson was 22, she was hit by a drunk driver and spent 18 months in a coma. At TEDxDU she tells the remarkable story of her recovery -- drawing on the collective skills and wisdom of a senior citizens' home.
Humpback Whale Shows AMAZING Appreciation After Being Freed From Nets
Michael Fishbach, co-founder of The Great Whale Conservancy (GWC), narrates his encounter with a young humpback whale entangled in local fishing nets.
The Power of Introverts
In a culture where being social and outgoing are prized above all else, it can be difficult, even shameful, to be an introvert. But, as Susan Cain argues in this passionate talk, introverts bring extraordinary talents and abilities to the world, and should be encouraged and celebrated.
How To Restore Your Faith In Humanity
Lost faith in humanity? These 10 moments may help you restore your faith in our species.