Rebecca Williams reports biologists are trying to figure out how to keep panthers and people from running into each other.

"Where the natural gas from the Alaska Natural Gas Pipeline will end up is a murky question. ..."

"AmerenIP hopes to begin a massive environmental clean-up at the former site of McCabe Scrap Iron & Materials Co. [in Galesburg, Ill.,] by September or October. Galesburg Gas Light & Coke Co. produced gas beginning in 1861 at the 3-acre site, with coal tar as a waste product."

When the St. Lawrence Seaway was opened 50 years ago, it promised to move the ocean 1,000 miles inland, boost commerce, and light cities. But some think it has been an environmental nightmare.

White House climate czar Carol Browner's husband, former Rep. Thomas Downey, was a paid lobbyist for the group pushing for more oil drilling off Florida's coast.

The century of mining that built Treece, Kansas, has left it a toxic ghost town. EPA says the residential areas have been cleaned up, but Sen. Pat Roberts is poised to file a bill to buy out residents if EPA does not spend stimulus money to do so.

Ranchers and farmers are rebelling against a federal plan to tag livestock with microchips and track them birth to slaughterhouse for disease control and food safety.

The landfilling of 3.9 million tons of coal ash from a spill at TVA's Kingston Fossil Plant may or may not be a boon to one of Alabama's poorest counties.

Bark beetles "munching and killing pine trees by the millions from Colorado to Canada" add a dangerous unknown to predictions for the coming wildfire season.