Evidence of an improving environment

See Al Gore or Julian Simon: What Is the Real State of the Environment? by Peter Jacobsen. He is an economics professor at Ottawa University. Excerpt:

"more than 90% of Americans, according to a 2021 Environmental Protection Agency publication, are served by water that fully meets EPA standards (a 20% increase from 1993, when only about 75% of U.S. drinking water met the EPA’s criteria).

Air pollution trends have moved similarly. EPA trend data shows dramatic decreases in several measurable air pollutants since 1980, including carbon monoxide (down 88%), nitrogen dioxide (down 66%), particulate matter (down 65%) and volatile organic compounds (down 61%)."