We know there's a climate emergency but what does that mean we should do? What does a better future look like and how do we get there? Having spent over a decad

"I take care of the earth because I know I can do little things every day to make a BIG difference..." With his signature blend of playfulness and sensitiviy, T

"A must-read book for everyone who cares about the future of humanity and our planet." --Dr. Ervin Laszlo, two-time Nobel Peace Prize nominee, bestselling autho

"Tender and illuminating. A beautiful debut." --Rebecca Stead, Newbery Medal-winning author of When You Reach Me A heartrending and hopeful story about a nonver

Discusses how many people the earth can support in terms of economic, physical, and environmental aspects.