On December 22, the U.S. District Court for the District of Columbia issued an opinion in Water Quality Insurance Syndicate v. U.S., which reversed the Coast Guard’s National Pollution Funds Center’s ...

Wildlife species throughout the world are contending with both chemical pollutants and invasive species. In a newly published review, a University of Wyoming researcher examined how chemical pollution ...

I received a letter from the Sierra Club about "pollution" and global warming. As I remember going through Earth Day in 1970—the first—a lot has changed, and I find it necessary to define "pollution".