Ddt

DDT is a carcinogen which was commonly used in the 1940s, 1950s, and 1960s.

Source: tatoeba (2332819)

DDT is a famous carcinogen.

Source: tatoeba (2354305)

That first Earth Day was so important in part because we brought together a huge basket of different issues: urban air pollution, freeways cutting through neighborhoods, leaded paint, DDT, the Santa Barbara oil spill, rivers catching on fire.

Source: tatoeba (8702516)

Until recently, the last time anyone in Harpers Ferry heard the call of a peregrine falcon, was fifty years ago. This crow-sized raptor, whose natural range is the rugged coastal areas in North America, was nearly decimated by the pesticide DDT. Since the toxin was banned in 1972, the peregrine has made a slow but dramatic recovery.

Source: tatoeba (12273558)