In the spirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people together to share a TED-like experience. At a TED...

The Future of Renewable Energy: Piezoelectricity Akshat Kothari, 16, Dubai International Academy This talk was given at a TEDx event using the TED conference...

The green economy is defined as an economy that aims at reducing environmental risks and ecological scarcities, and that aims for sustainable development without degrading the environment. It is closely related with ecological economics, but has a more politically applied focus. The 2011 UNEP Green Economy Report argues "that to be green, an economy must not only be efficient, but also fair. Fairness implies recognising global and country level equity dimensions, particularly in assuring a just transition to an economy that is low-carbon, resource efficient, and socially inclusive."

We often hear about adult homelessness, but there's a problem that affects millions of teens, teenage homelessness. Nancy enlightens us about this invisible ...

International Rescue Committee, UN-OCHA and Ericsson are each bringing their expertise to assist humanitarian relief organizations with communications technology and competence to contribute to a better and faster response to human suffering when disaster strikes.

Sometimes life can throw us curve balls, sometimes a day can take a turn that was impossible to see coming. This is life. This talk looks at how we can meet ...

Often called "The New Einstein," Olympia LePoint is best known for her role as an award-winning rocket scientist, science entertainer and educator driving to...