I want to give this book five stars. I want to give this book one star. It’s amazing. It’s terrible.
Keeping Earth habitable is a pressing concern today. Even if we manage to avoid eco-catastrophe (and I’m optimistic on this), that’s only a small hurdle in the grand scheme of the cosmos. We only have about a billion years left before the Sun swells so much that it cooks the atmosphere. A few billion years…