From the Oval Office the other night, President Obama called the oil leak in the Gulf of Mexico “the worst environmental disaster America has ever faced.” Senior people in the government have echoed that language.
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But is the description accurate?
Scholars of environmental history, while expressing sympathy for the people of the gulf, say the assertion is debatable. They offer an intimidating list of disasters to consider: floods caused by human negligence, the destruction of forests across the entire continent and the near-extermination of the American bison.
“The White House is ignoring all the shades and complexities here to make a dramatic point,” said Donald E. Worster, an environmental historian at the University of Kansas and a visiting scholar at Yale.
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Still, for sheer disruption to human lives, several of them could think of no environmental problem in American history quite equaling the calamity known as the Dust Bowl.
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Among sudden events, the Johnstown Flood might be a candidate for worst environmental disaster. On May 31, 1889, heavy rains caused a poorly maintained dam to burst in southwestern Pennsylvania, sending a wall of water 14 miles downriver to the town of Johnstown. About 2,200 people were killed in one of the worst tolls in the nation’s history.
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Perhaps the destruction of the native forests of North America, which took hundreds of years, should be counted as the nation’s largest environmental calamity. The slaughtering of millions of bison on the Great Plains might qualify.
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Oil spills, too, seem to be judged more by their effect on people than on the environment. Consider the Lakeview Gusher, which was almost certainly a worse oil spill, by volume, than the one continuing in the gulf.
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It continued spewing huge quantities of oil for 18 months. The version of events accepted by the State of California puts the flow rate near 100,000 barrels a day at times. “It’s the granddaddy of all gushers,” said Pete Gianopulos, an amateur historian in the area.