The numbers are eye-popping. An Environmental Protection Agency analysis of the first 20 years of the Clean Air Act, from 1970 to 1990, found the economic benefits of the regulations were about 42 ...

The Supreme Court appears poised to keep at least some Clean Air Act disputes in federal courts outside of D.C. — preventing what at least one justice described as “home court advantage” for the ...

March 27 (UPI) --The Environmental Protection Agency is allowing entities subject to the Clean Air Act to seek exemptions via email through Monday while the agency reconsiders relevant rules.

Wisconsin’s air quality is actually better than ever recorded, but now the Clean Air Act’s standards call for even greater air quality improvements than the region has realized over the last 30 years.