Bill McKibben: Solar Is Now Cheaper Than Oil. That Changes Everything.

Bill McKibben wrote the first popular book on climate change, The End of Nature, and after nearly four decades in the climate fight, and seeing many of his most dire predictions come true, something is making him feel sunnier: solar. In his newest book, Here Comes the Sun, he shows how producing renewable energy is now actually cheaper than extracting fossil fuels. If politics gets out of the way, market forces can do the rest. Here’s how to get there.