Climate change is real, and humans caused a lot of it. But that's no excuse to give up and do nothing; in fact, humans are the only species capable of reversing, or at least slowing, the effects of climate change and other ecosystem woes. A perfect resource for teachers, parents, and discussion groups, Human Impact contains 17 true tales of how humanity has changed the Earth, for better or for worse, and what individuals, citizen science groups, and...