This book is all about the challenges the world faces, and the great opportunities that exist in renewable energy, climate change, and other technology wonders. It's an easy and good read.
I was filled with a sense of optimism after reading it, but then Donald Trump was "elected" and cast a lot of this into doubt. It still feels like a great wrong has been committed, but I hold out no hope that the Democrats will put up much of a fight against him. I hope I'm wrong.
Here's a little video that Bill did for Funny or Die about climate change about a year ago.