Impacts Arctic Ocean was once a tub of fresh water covered with a half-mile of ice At at least two points in history, the Arctic was cut off from other oceans.
Newsletter www.washingtonpost.com Climate change could render many of Earth’s ecosystems unrecognizable “What we’re talking about here are the kinds of changes that disrupt everybody’s lives" paleoecologist Scott Wing said.
As Biden prepares to block the sale of U.S. Steel to Nippon Steel, pollution concerns persist in Pennsylvania
A Pennsylvania fracking company with more than 2,000 environmental violations selected for federal environmental justice funding
