Rachel Carson made environmentalism respectable. Before Silent Spring, nearly all Americans believed that science was a force for good. Carson’s work exposed the dark side of science. It showed that DDT and other chemicals we were using to enhance agricultural productivity were poisoning our lakes, rivers, oceans, and ourselves. Thanks to her, progress can no longer be measured solely in tons of wheat produced and millions of insects killed. Thanks to her, the destruction of nature can no longer be called progress.