John Glenn Gilligan, the Ohio Governor at the time, appointed Glenn to be the chairman of the Citizens Task Force on Environmental Protection in 1970. The task force was created to survey environmental problems in the state and released a report in 1971 detailing the issues. The meetings and the final report of the task force were major contributors to the formation of Ohio's Environmental Protection Agency. In 1973, President Nixon ordered Attorney General Elliot Richardson to fire Watergate special prosecutor Archibald Cox. Richardson refused and resigned in protest, triggering the Saturday Night Massacre. Ohio Senator William Saxbe, elected in 1968, was
John Glenn Committee in 1978. He became the chairman of the East Asian and Pacific Affairs Subcommittee, for which he traveled to Japan, Korea, the Republic of China, and the People's Republic of China. Glenn helped to pass the Taiwan Enabling Act of 1979. The same year, Glenn's stance on the SALT II treaty caused another dispute with President Carter. Due to the loss of radar listening posts in Iran, Glenn did not believe that the U.S. had the capability to monitor the Soviet Union accurately enough to verify compliance with the treaty. During the launching ceremony for the , he spoke