The Unnatural World chronicles a disparate band of unlikely heroes: an effervescent mad scientist who would fertilize the seas, a pigeon obsessive bent on bringing back the extinct; a low-level government functionary in China doing his best to clean up his city, and more. These scientists, billionaires, and ordinary people are all working toward saving the best home humanity is likely to ever have.

What is the threat? It is us. In a time when a species dies out every 10 minutes, when summers are getting hotter, winters colder, and oceans higher, some people still deny mankind's effect on the Earth. But all of our impacts on the planet have ushered in what qualifies as a new geologic epoch, thanks to global warming, mass extinction, and such technologies as nuclear weapons and plastics. The Unnatural World examines the world we have created and analyzes the glimmers of hope emerging from the efforts of incredible individuals seeking to change our future. Instead of a world without us, this history of the future shows how to become good gardeners, helping people thrive along with an abundance of plants, animals, and all the exuberant profusion of life on Earth - a better world with us.