Two days after the April 20, 2010 explosion that killed 11 and injured 16, the Deepwater Horizon oil rig sank. - See more at: http://news.mongabay.com/2014/1124-urton-ucsc-deepwater-horizon-pollution.html#sthash.hfHXn4a3.dpufTwo days after the April 20, 2010 explosion that killed 11 and injured 16, the Deepwater Horizon oil rig sank...