Activism

From the Arab Spring to the emerging democracies of Eastern Europe, a new generation of freedom fighters -- entrepreneurs, journalists, activists -- shares powerful stories of resistance against dictatorships and oppression.

What makes a great leader? These TED Talks offer surprising, nuanced approaches on how to inspire and empower others to do their very best.

Talks from photographers who use their art to fight for social justice.

We still have a lot to learn about climate change, about why it's happening and what that means. But one thing is clear: It's real, alright. These talks provide a primer on the issue of our times.