Bill McKibben, author and founder of the international environmental campaign 350.org, says that a global campaign to curb climate change, the ecological dev...

How do we make sense of today's political divisions? In a wide-ranging conversation full of insight, historian Yuval Harari places our current turmoil in a broader context, against the ongoing disruption of our technology, climate, media -- even our notion of what humanity is for. This is the first of a series of TED Dialogues, seeking a thoughtful response to escalating political divisiveness. Make time (just over an hour) for this fascinating discussion between Harari and TED curator Chris Anderson.

A majority of Americans support legalizing marijuana, polls now show. But that's where support for drug legalization ends. A series of HuffPost/YouGov survey...

In this video we tour a traditional Icelandic turf house at the Islenski Baerinn Turf House museum (http://islenskibaerinn.is/english/). Turf houses are the ...

Many solutions to improve agricultural productivity and farmer livelihoods also have positive impacts on climate change adaptation, and they often aren’t cas...

England cricket captain Alastair Cook visits farmers and their children supported by the Waitrose Foundation in the Western Cape, South Africa. Along with a ...

-- Created using PowToon -- Free sign up at http://www.powtoon.com/youtube/ -- Create animated videos and animated presentations for free. PowToon is a free ...

Massive extinctions took place millions of years ago, so long ago that life had time to start again from zero, leaving behind creatures that were lost foreve...

Never miss a talk! SUBSCRIBE to the TEDx channel: http://bit.ly/1FAg8hB In the spirit of ideas worth spreading, TEDx is a program of local, self-organized ev...