Stephen speaks about recent changes in the nonprofit sector, and how we can work to provide better humanitarian aid.

Stephen Ladek is an international development and humanitarian aid expert, social entrepreneur and performance specialist. His spends much

Watch more Disaster Survival & Worst-Case Scenarios videos: http://www.howcast.com/videos/317493-How-to-Survive-a-Nuclear-Terrorist-Attack You can increase y...

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

Sponsored by the Science and Technology Innovation Program. Invited panelists will discuss the science behind synthetic biology, the risks this emerging tech...

Kristin Saylor and Jim O'Hanlon talks about what the Bible really says about homosexuality and other LGBTQ topics. The Rev. Kristin Saylor is an Episcopal pr...

Never miss a talk! SUBSCRIBE to the TEDx channel: http://bit.ly/1FAg8hB Scott Geller is Alumni Distinguished Professor at Virginia Tech and Director of the C...

Agriculture is feeding the world’s 7.3 billion people but at an unbearable social and environmental cost. Clayton Campanhola, Director of the FAO Plant Produ...