Dangerous Pesticides and DDT
The biggest scare about pesticides came as a result of a chemical called DDT This pesticide was invented after World War II and was used to kill insects that carried the disease, malaria. In the United States, the insides of people's homes were sprayed with DDT. (E) By the 1960s, pesticide use had become common. (F) They argued that reliance on pesticides was causing many insects to become resistant to chemicals. (G) Instead of D decreasing the amount of insects carrying malaria, their numbers soared to higher and higher levels. mosquitoes worldwide were resistant to DDT(H) Soon, 19 species of mosquitoes worldwide were resistant to DDT