You probably already know that many commonly used chemicals pose risks to the environment and to human health. For example, pesticides are synthetic chemicals that farmers often use to control crop-eating insects. Although they kill pests, they can also kill beneficial organisms and may be ingested with the foods we eat.
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Rachel Carson's Silent Spring
Watch this video to learn about Rachel Carson, a scientist and early environmental activist. Carson saw a problem and took action to publicize the harmful health effects of a pesticide called DDT.
After watching the video, describe how Rachel Carson took action, and explain what her actions accomplished.
