Question

I need an example of a human-caused environmental disaster. Help ?

Answer 1

Have you looked into what polution has done to rivers or the "management" of the Mississippi river has done to the delta?

Answer 2

You may also consider oil spillage incidents.
http://www.bellona.org/subjects/Oil_accidents

Answer 3

The oil slick in the Gulf of Mexico is now about the size of Puerto Rico. It's already reached the marshes of Louisiana. Oil-covered wildlife are starting to show up along the shores. Shrimp, fish and oyster harvest areas have been closed. Residents of Mississippi and Alabama are just waiting for the oil to hit.

As environmental calamity for the Gulf Coast appears imminent, GlobalPost looks at 10 other man-made environmental disasters — both forgotten and infamous — that could have been prevented