Sponsored CNN archive content presented by "Deepwater Horizon" movie
  • GULF OF MEXICO - APRIL 21:  In this handout image provided be the U.S. Coast Guard, fire boat response crews battle the blazing remnants of the off shore oil rig Deepwater Horizon in the Gulf of Mexico on April 21, 2010 near New Orleans, Louisiana.  An estimated leak of 1,000 barrels of oil a day are still leaking into the gulf. Multiple Coast Guard helicopters, planes and cutters responded to rescue the Deepwater Horizon's 126 person crew. (Photo by U.S. Coast Guard via Getty Images)

    What we do (and don't) know

    On April 20, 2010, a final cement seal of an oil well in the Gulf of Mexico failed, causing what has been called the worst environmental disaster in U.S. history and taking the lives of 11 rig workers.

    About this page

    This page of archive content about the 2010 Gulf oil spill is presented by "Deepwater Horizon" movie.