Water Quality

Retired national television journalist Harry Smith is teaching a college course in Iowa.

In April, the EPA announced a rule to reduce toxic air pollution coming from more than 200 chemical plants across the U.S.

Bruno Pigott visited Iowa to see water quality issues and solutions first-hand. Then we learn about the “mini moon” that is temporarily orbiting the Earth.

Millions of dollars in county conservation funding are at stake for some Iowa voters during the Nov. 5 general election.

Serra Hoagland was the first Native American to graduate from Northern Arizona University with a Ph.D. in forestry. Hoagland works for the USDA Forest Service building partnerships with tribes and conducting research in those communities.

Iowa's state parks struggle to manage upkeep with constrained budget.

Iowa has struggled to reduce pollutants in its waterways.

Restoring oxbow wetlands is gaining momentum in the Midwest. While it started largely to support a federally endangered fish, conservation experts say these floodplain habitats offer a host of benefits, including cleaner water downstream.

There’s not a shortage of water, but as demand increases into the summer, it will be harder to provide tap water below the legal limit for nitrate.

Scientists discuss some of the latest technology in the world of agriculture