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Top 10 Eco Disasters Caused by Humans
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A man-made disaster is one in which many deaths and destruction are caused by error or negligence on the part of human beings. WatchMojo counts down the ten worst man-made disasters.

List Entries and Rank:
#10. Three Mile Island Accident, Dauphin County, Pennsylvania (1979)
#9. Exxon Valdez Oil Spill, Prince William Sound, Alaska (1989)
#8. Dust Bowl or Dirty Thirties, Great Plains, USA and Canada (19341936)
#7. Seveso Disaster, Seveso, Italy (1976)
#6. Minamata Disease, Minamata Bay, Japan (195060s)
#5. Love Canal Disaster, Niagara Falls, New York (194050s/78)
#4. Great Smog of ’5or Big Smoke, London, England (1952)
#3. ?