What are two of the federal laws passed by the government in the early 1970’s that deal with protecting our environment?

The Clean Air Act, The Endangered

Explanation:

The Clean Air Act : It was although introduced by president Johnson in mid 1960s, but got important amendments in 1970s. It undertook many steps to control air pollution. One most important provision of 1970s version was elimination of lead based gasoline.

The Endangered Species : It was an important act regarding preservation of endangered (on the verge of extinction) species. It was passed by President Richard Nixon in early 1970s. The law had been successfully implemented, as no specie had gone extinct after getting in the act's list.