33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
195935
15686
1
Public Timelines
FAQ

jan 1, 1981 - Canadian Coalition on Acid Rain

Description:

Agreement started.
Canada and the United States.
Reduce sulphur dioxide and nitrogen oxide emissions.

Added to timeline:

30 Oct 2017
1
0
805

Date:

jan 1, 1981
Now
~ 44 years ago