Download E-books Once and Future Giants: What Ice Age Extinctions Tell Us About the Fate of Earth's Largest Animals PDF

By Sharon Levy

Till approximately 13,000 years in the past, North the United States was once domestic to a menagerie of huge mammals. Mammoths, camels, and lions walked the floor that has develop into Wilshire side road in l. a. and foraged at the marsh land now buried underneath Chicago's streets. Then, simply because the first people reached the Americas, those Ice Age giants vanished forever.

In Once and destiny Giants, technological know-how author Sharon Levy digs throughout the proof surrounding Pleistocene huge animal ("megafauna") extinction occasions around the world, displaying that figuring out this history--and our half in it--is an important for safeguarding the elephants, polar bears, and different nice creatures in danger this day. those surviving kin of the Ice Age beasts now face the specter of one other nice die-off, as our species usurps the planet's final wild locations whereas riding a warming pattern extra severe than any in mammalian historical past. Deftly navigating competing theories and rising proof, Once and destiny Giants examines the level of human impression on megafauna extinctions prior and current, and explores cutting edge conservation efforts all over the world. the most important to modern day conservation, Levy indicates, might lie fossilized correct lower than our feet.

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