Richard Heinberg, a senior fellow at the Post Carbon Institute and author of "The Party's Over," "Peak Everything," and "Blackout," discusses the phenomenon of peak oil and its global

Richard Heinberg, a senior fellow at the Post Carbon Institute and author of "The Party's Over," "Peak Everything," and "Blackout," discusses the phenomenon of peak oil and its global implications.

He explains that the era of easily accessible resources is over. The new reality of expensive oil will likely become the norm, potentially leading to economic recession.

Richard Harding, applying lessons from movie production, detailed how END MALARIA NOW surmounted

Richard Harding, applying lessons from movie production, detailed how END MALARIA NOW surmounted obstacles to successfully distribute life-saving bed nets.

Special thanks to Turner Studios for their in-kind video production services for TEDxAtlanta.

Ocean Elders was established to foster collaboration in ocean conservation.

Its distinguished members include

Ocean Elders was established to foster collaboration in ocean conservation.

Its distinguished members include Sir Richard Branson, Jackson Browne, Dr. Rita Colwell, Jean-Michel Cousteau, Dr. Sylvia A. Earle, Graeme Kelleher, Sven Lindblad, Her Majesty Queen Noor, Nainoa Thompson, Ted Turner, Captain Don Walsh, and Neil Young.

Richard Wolff's "Democracy at Work: Curing Capitalism" was presented at Talks at Google.

Wolff is Professor of Economics Emeritus at the University of Massachusetts, Amherst, where he

Richard Wolff's "Democracy at Work: Curing Capitalism" was presented at Talks at Google.

Wolff is Professor of Economics Emeritus at the University of Massachusetts, Amherst, where he taught from 1973 to 2008. He currently serves as a Visiting Professor in the Graduate Program in International Affairs at New School University in New York City.