"Informed by his experiences as a hunter, forester, wildlife manager, ecologist, conservationist, and professor, Aldo Leopold developed a view he called the land ethic. The essay setting out his ideas was published posthumously in 1948 and has been extremely influential in environmental ethics as well as conservation biology and related fields. The land ethic called for an expansion of our ethical obligations beyond the purely human to include what...

"Could extinct species like mammoths and passenger pigeons be brought back to life? The science says yes. In [this book], Beth Shapiro, evolutionary biologist and pioneer in 'ancient DNA' research, walks readers through the astonishing and controversial process of de-extinction. From deciding which species should be restored, to sequencing their genomes, to anticipating how revived populations might be overseen in the wild, Shapiro vividly explores...