Final answer:
Rachel Carson's book, which started the environmentalist movement, is titled 'Silent Spring'. It focused on the chemical industry's use of pesticides and was key to the ban of DDT in 1972.
Step-by-step explanation:
The title of Rachel Carson's famous book, credited with starting the environmentalist movement, is Silent Spring. Published in 1962, it played a pivotal role in raising environmental consciousness among the general public.
The book specifically targeted the chemical industry, critiquing the widespread use of pesticides, exemplified by DDT, and their detrimental impacts on the environment and human health. Her work was instrumental in the eventual ban of DDT in U.S. agriculture in 1972 and inspired a generation of environmental activism.