Here is the correct order of events that led to the environmental movement in the 1960s:
- Rachel Carson wrote Silent Spring to tell about the dangers of pesticides such as DDT.
- Weapons testing and the use of agricultural chemicals harmed the environment.
- Many animals, including seabirds, seals, and dolphins, were victims of a major oil spill in California.
- The first Earth Day was celebrated, and the EPA was created.