Once you feel the desire to engage, think about what you're good at and what you can contribute. It's about breaking down the idea that there are activists and ordinary people.

What we face in Canada are multiple overlapping crises. We have the climate crisis, which is screaming down on us - all of the predictions are coming true even faster than the scientists thought. We have the inequality crisis, where the Panama Papers are a great reminder that the one per cent have actually created their own economy. We still have the crisis of child poverty, which has never been dealt with despite decades of concerned words from politicians.

I personally feel very strongly that what it will take is not more disasters, it's that what it will take is a vision of the future that is better than our present.

I think people are losing that sense of security pretty fast, frankly.

The book and the film [This Changes Everything] fed into each other in ways that were compounding and very exciting. The pain was shared.

Find an organization, shoot them an email, call them up, find them on Facebook and say "Hey, I want to volunteer." And that first step could lead to a whole life of engagement. It could be a pretty exciting ride.

I've always kind of hated films about climate change.