Green Revolution

What Really Drove the Green Revolution

At the Techonomy 2014 conference in Half Moon Bay, Calif., Drew Purves of Microsoft Research speaks about why we will need a second green revolution in order to keep the globe well fed.

Jared Cohen of Google Ideas on How a Mobile Video Changed American Foreign Policy

In this session from Techonomy 2011 in Tuscon, Ariz., Jared Cohen, Director of Google Ideas, talks about how the video of Neda Soltan's murder, captured on a mobile phone, changed American foreign policy in a...