A recent oil spill in North Dakota leaking 20,000 barrels onto a wheat farm went unnoticed for 11 days. The Associated Press has uncovered documents revealing years of spills kept secret by oil and gas companies as well as state officials.
Oil and gas companies working with North Dakota state officials to keep spills quiet
by Cassady Craighill
October 28, 2013
©Neal Lauron/Greenpeace