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War, Plague No Match for Deforestation in Driving CO2 Buildup

By Guest PostJanuary 22, 2011Environmentagriculture, Antarctica, atmosphere, black death, black death in europe, burning of coal and oil, carbon dioxide, China, conquest of the americas, deforestation, demand for gasoline, earth, Environment, fall of the ming dynasty, forests, genghis khan, global carbon budget, global carbon cycle, greenland, human impact on climate, industrial era, julia pongratz, ken caldeira, mongol hordes, mongol invasions in asia, vegetation cover

Stanford, CA — Genghis Khan and his Mongol hordes had an impact on the global carbon cycle as big as today’s annual demand for gasoline. The Black Death, on the other hand, came and went too quickly for it to cause much of a blip in the global carbon budget. Dwarfing both of these events, however, has been the historical trend towards increasing deforestation, which over centuries has released vast amounts of carbon dioxide into the atmosphere, as crop and pasture lands expanded to feed growing human populations. Even Genghis Kahn couldn’t stop it for long. (more…)

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Tracking Sediments’ Fate in Largest-Ever Dam Removal

War, Plague No Match for Deforestation in Driving CO2 Buildup