A miner has his lung capacity tested to determine whether he has black lung disease. (EPA) by Paul Sabin | July 7th, 2016
Sunbathers at Huntington Beach, and an oil platform offshore, May 1975 (Environmental Protection Agency) by Paul Sabin | June 23rd, 2013
Pumps closed on Interstate 5 in Oregon (Environmental Protection Agency) by Paul Sabin | June 23rd, 2013
