The four finalists in global competition for a single $100 million grant presented compelling solutions to a critical problem of our time at 100&Change: The ...

We've heard about the melting ice caps and the polar bears - but what about giant jellyfish? Student Johnny Silver dives into the the part of global warming ...

The IMF Chief offers her unique insights on the economic impact of the refugee crisis, the future of Europe, and the outlook for the global economy. She shar...

Every day, humanitarian aid workers stand on the front lines of war and disaster, braving tremendous dangers and difficulties to deliver assistance to those who need it most. World Humanitarian Day (WHD), which takes place every year on 19 August, recognizes the aid workers who risk their lives in humanitarian service, and mobilizes people to advocate for humanitarian action. The day was designated by the General Assembly seven years ago to coincide with the anniversary of the 2003 bombing of the United Nations headquarters in Baghdad, Iraq.

View full lesson: http://ed.ted.com/lessons/a-guide-to-the-energy-of-the-earth-joshua-m-sneideman Energy is neither created nor destroyed — and yet the globa...

In which John Green teaches you about the Industrial Economy that arose in the United States after the Civil War. You know how when you're studying history, ...

The magnetic poles of the Earth are expected to shift by 65 degrees by 2015. The cataclysmic pole shifts which happen throughout history are a geologically r...

http://www.ted.com William Ury, author of "Getting to Yes," offers an elegant, simple (but not easy) way to create agreement in even the most difficult situa...