The extent to which human activity has influenced species extinctions during the recent prehistoric past remains controversial due to other factors such as clim

This makes a detailed consideration of these extinctions a useful system for investigating the impacts of human activity over time.

ONE OF THE NEW YORK TIMES BOOK REVIEW'S 10 BEST BOOKS OF THE YEAR A major book about the future of the world, blending intellectual and natural history and fiel

"What caused the extinction of so many animals at or near the end of the Pleistocene? Was it overkill by human hunters, the result of a major climatic change or

The fascinating lives and puzzling demise of some of the largest animals on earth. Until a few thousand years ago, creatures that could have been from a sci-fi