Civic opposition and litigation aims to end Line 5 operation.  Keith Schneider, senior editor and chief correspondent at ...

As they span significant areas of Asia, Europe and the Americas, karst landscapes cover some 15 percent of the Earth’s land mass. Scientists estimate that these areas of porous bedrock are home to as ...

The Rundown EPA releases draft health risk assessment for two PFAS in biosolids. EPA publishes final toxicity review for ...