A new city ordinance is paving the way for more urban goats, chickens, bees and neighborhood farmstands in Pittsburgh.
Twenty years ago, Gettysburg was so overgrown, visitors literally had to trudge through forests to experience legendary spots on the battlefield. So the National Park Service decided to do something (epic) about it.
Really devoted birders will go to great lengths to see something new. But it's hard to beat birding from the sky in a hot air balloon.
Author Dianne Glave talks about how black Americans can reclaim their environmental heritage.
Lots of people can feel intimidated by the great outdoors. But for some gay and transgender people, being in the outdoors can be dangerous.
New limits on phosphorus runoff could help reduce toxic algae blooms in Lake Erie.
The U.S. Supreme Court ruled the EPA didn't consider costs to power plants when it instituted limits on mercury pollution.