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50 Years After 'Silent Spring' We Have Ignored Rachel Carson’s Findings to Our Peril

Rachel Carson challenged the metastatic growth of the synthetic chemicals industry that grew out of World War II and helped ignite a burgeoning environmental movement.

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The following piece appears in the current issue of the Washington Spectator. For more great stories,  check out their site. 

Fifty years ago, a Johns Hopkins–educated zoologist did something that few at the time thought was possible. With the publication of one book, she started a national debate about the universally accepted use of synthetic pesticides, the irresponsibility of science, and the limits of technological promise. She also challenged the metastatic growth of the synthetic chemicals industry that grew out of World War II.

Silent Spring was Rachel Carson’s third book, following  The Sea Around Us andThe Edge of the SeaThe Sea Around Us had won the 1952 National Book Award for nonfiction and remained on the  New York Times bestseller list for 21 months. Yet it is unlikely that Carson, who had spent most of her career as an editor for the U.S. Fish and Wildlife Service, had any idea of what the publication of  Silent Spring would engender.

Carson became interested in the harmful effects of pesticides, especially DDT, in the late 1950s. DDT was first commercially produced just prior to World War II, and was used to reduce the threats posed by insects to U.S. troops overseas. After the war, DDT was promoted as a great scientific advance and was widely and successfully used as an insect killer in the United States. The chemical was considered to be so benign that parents casually watched their children running in billowing white DDT clouds sprayed from trucks in residential neighborhoods.

Carson’s research focused on organic pesticides like chlordane, heptachlor, and aldrin, as well as DDT. She documented the widespread death of birds that had been exposed to the chemicals, as well as reproductive, birth, and developmental abnormalities in mammals. All life, she wrote, is a “chemical factory” dependent upon oxygen to power the cell machinery. Citing the work of Nobel scientist Otto Warburg, she explained in clear terms why repeated small exposures to pesticides and nuclear radiation change the ability of the cell to carry out normal activities, resulting in malignancy or defective offspring—the reason there is no “safe” dose of a carcinogen. Many scientific experts shared her concerns.

The New Yorker ran three  excerpts of Silent Spring in June 1962, before the official September 27 publication date. The response was swift and resounding. CBS began preparing a nationally broadcast special on the book. Page one of the July 22  New York Times featured a story entitled “ Silent Spring Is Now a Noisy Summer.” On August 29, a reporter attending President Kennedy’s press conference asked if the federal government was examining the growing concern about DDT and other pesticides. Kennedy responded: “Yes...I think particularly, of course, since Miss Carson’s book.” A month before the publication date, Houghton Mifflin had advance orders for 40,000 copies and had a 150,000-copy contract with the Book-of-the-Month Club.

The chemical industry didn’t wait to read the book. Carson’s short but devastating treatise was a threat to their bottom line, and the industry that manufactured DDT and other pesticides Carson had described reacted angrily to her scientifically sound arguments that their products were harmful. They attacked Carson’s expertise. They attacked her methods. They attacked her motivations. They attacked her conclusions. They threatened to sue Houghton Mifflin and  The New Yorker.

In a relentless campaign to destroy her character, the industry distributed pamphlets, published articles, and vilified Carson in media interviews. They described her as “fanatic” and “hysterical,” yet almost all international scientists agreed with Carson. A Scientific Advisory Committee assembled by Kennedy issued a supportive report in May 1963. In response to the shrill attacks of her industry critics, Carson calmly stuck to the facts. She died at age 56 from breast cancer, 18 months after  Silent Spring was published.

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