At a time when we're facing so many dire threats, it's easy to give up and think we're powerless. In the face of such large forces, how can one person do anything?

It turns out there are lots of ways. Our guest today describes a few.

Simon Sheikh was driving force behind the Getup movement, and in 2013 was the Greens candidate in the ACT federal election. Now, he's founder and manager of Future Super.

Interview by Rod