The Great Warming
Climate Change and the Rise and Fall of Civilizations
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- USD 17.99
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- USD 17.99
Descripción editorial
In this New York Times bestseller, Brian Fagan shows how climate transformed-and sometimes destroyed--human societies during the earth's last global warming phase.
From the 10th to 15th centuries the earth experienced a rise in surface temperature that changed climate worldwide-a preview of today's global warming. In some areas, including much of Western Europe, longer summers brought bountiful crops and population growth that led to cultural flowering. In others, drought shook long-established societies, such as the Maya and the Indians of the American Southwest, whose monumental buildings were left deserted as elaborate social structures collapsed. Brian Fagan examines how subtle changes in the environment had far-reaching effects on human life, in a narrative that sweeps from the Arctic ice cap to the Sahara to the Indian Ocean. The lessons of history suggest we may be yet be underestimating the power of climate change to disrupt our lives today.
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Global warming is hardly new; in fact, the very long-term trend began about 12,000 years ago with the end of the Ice Age. Anthropologist Fagan (The Little Ice Age) focuses on the medieval warming period (ca. 800-1300), which helped Europe produce larger harvests; the surpluses helped fund the great cathedrals. But in many other parts of the world, says Fagan, changing water and air currents led to drought and malnutrition, for instance among the Native Americans of Northern California, whose key acorn harvests largely failed. Long-term drought contributed to the collapse of the Mayan civilization, and fluctuations in temperature contributed to, and inhibited, Mongol incursions into Europe. Fagan reveals how new research methods like ice borings, satellite observations and computer modeling have sharpened our understanding of meteorological trends in prehistorical times and preliterate cultures. Finally, he notes how times of intense, sustained global warming can have particularly dire consequences; for example, by 2025, an estimated 2.8 billion of us will live in areas with increasingly scarce water resources. Looking backward, Fagan presents a well-documented warning to those who choose to look forward. Illus., maps.
