12/12/1967
https://www.presidency.ucsb.edu...
"It is not the first clean air bill--but it is, I think, the best."
"Contaminated air began in this country as a big-city problem."
"Today we are pouring at least 130 million tons of poison into the air each year."
"Don't we really risk our own damnation every day by destroying the air that gives us life?"