How can one video about our planet be both the most terrifying and the most motivating thing ever?

The truth is that we might be screwed. But the truthier truth is that we might not be — or might not be completely screwed. And, y’know, a near-catastrophe is really different from a full-on catastrophe. That’s why I watched every minute of this documentary. And that’s why I’m marching in the People’s Climate March…