Big, ugly algal blooms have become a regular occurrence in the western, and sometimes the central basin, of Lake Erie. The blooms happen when excess nutrients—mostly phosphorus—run off into the lake from farms and sewage treatment plants. And scientists predict climate change could make the problem worse.
When a team of University of Pittsburgh researchers launched a boat off the Keweenaw Peninsula in northern Michigan, they were hoping to find evidence of an ancient society. They met their goal, but also found evidence of the oldest human-caused lead pollution in the world.
The Homer City power plant in Indiana County might lose its reputation for being one of the dirtiest coal-fired power plants in America w
Bad news for Chesapeake Bay crab and oyster lovers.
The federal government has filed a lawsuit against the past and present owners of a power plant in Homer City, Indiana County.
In an effort to curb pollution that's linked to global warming, the U.S.
Researchers have been looking at why the water in western Lake Erie has been so gross with algae this year.
Plankton, fish, and birds are taking center stage at the Carnegie libraries this summer.
Scientists have engineered bacteria to seek out and destroy a chemical that pollutes drinking water. Rebecca Williams has more.