She worked for the U．S.Bureau of Fisheries，writing radio scripts during the Depression(经济大萧条) to increase her income and writing feature articles on natural history for the Baltimore Sun.She began a 15­year career in the federal service as a scientist and editor in 1936 and rose to become Editor­in­Chief of all publications for the U．S.Fish and Wildlife Service.

　　She wrote books on conservation(保护) and natural resources and edited scientific articles，but in her free time turned her government research into prose(散文)，first as an article Undersea(1937)，and then in a book，Under the Sea­Wind(1941)．In 1952 she published her prize­winning study of the ocean，The Sea Around Us，which was followed by The Edge of the Sea in 1955.These books made up a biography(传记) of the ocean and made Carson famous as a naturalist and science writer for the public.Carson resigned in 1952 to devote herself to her writing.

　　She wrote several other articles designed to teach people about the wonder and beauty of nature，including Help Your Child to Wonder(1956)and Our Ever­Changing Shore(1957)，and planned another book on ecology.In Carson’s writing，she expressed her view that human beings were only part of nature.

　　Disturbed by the overuse of chemical pesticides(杀虫剂) after World War ，Carson changed her focus in order to warn the public about the long term effects of misusing pesticides.In Silent Spring(1962) she challenged the practices of agricultural scientists and the government，and called for a change in the way humankind viewed the natural world.

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