11
/
en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
35192
2919
2

jan 1, 1972 - The Clean Water Act is created, changing how the government prevents air pollution

Added to timeline:

5 months ago
0
0
105
Environmental Science timeline

Date:

jan 1, 1972
Now
~ 46 years ago
FeedbackPremiumAboutTermsPrivacy