9/11 Terrorist Attacks (2001)On September 11, 2001, 19 Al-Qaeda terrorists hijacked four commercial passenger airplanes. They crashed two of the planes into the Twin Towers in NYC, and flew a third into the Pentagon building in Virginia. Passengers on the fourth flight attempted to retake control of the aircraft, but it crashed in a Pennsylvania field. The devastating terrorist attacks of 9/11 were responsible for 2,973 confirmed casualties and an unknown number of injuries. What were the environmental consequences of 9/11?
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