By Tony Hiss. Sets out on a journey to take stock of the “superorganism” that is the earth: its land, its elements, its plants and animals, its greatest threats–and what we can do to keep it, and ourselves, alive. Makes the case for why protecting half the land is the way to fix our environmental problems. Highlights the important work of the many groups already involved in the fight, such as the Indigenous Leadership Initiative, the Yellowstone to Yukon Conservation Initiative, and the global animal tracking project ICARUS. Introduces us to the engineers, geologists, biologists, botanists, oceanographers, ecologists, and other “Half Earthers” who are allied in their dedication to the unifying, essential cause of saving our own planet from ourselves. Read more.