95 percent of ancient Ohio was forested. But centuries ago there were also small regions of prairie. Tall grasses and wildflowers were part of the prairie ecology and so were bison. Researchers near Columbus are trying to reestablish a prairie / bison ecosystem.
A utility says it will stop burning coal at a southwest Ohio power plant that was the site of a recent oil spill into the Ohio River.
Ohio and Kentucky water districts have resumed taking water from the Ohio River after a fuel oil spill led them to stop pumping river water.
An organization representing mayors of cities in the Great Lakes region says the U.S. and Canada should do more to protect the environment from oil spills.
Ohio Attorney General Mike DeWine says state pensions lost tens of millions of dollars after BP falsely claimed to have adequate safety procedures in place before the 2010 Deepwater Horizon oil spill.