Pacific Gas and Electric, a major California utility, is withdrawing from the United States Chamber of Commerce because of the chamber’s approach to global warming.
Farm waste, the biggest polluter of American rivers, is largely unregulated by many of the laws designed to prevent pollution and protect drinking water.
A judge restored protections for about 600 bears in and around Yellowstone National Park, citing a decline in their food supply caused by climate change.
Dr. Slobodkin, a co-author of a seminal paper informally known as “The World Is Green,” is credited with helping to transform ecology by using quantitative data to test models of nature.
Two German ships are poised to complete, for the first time, a commercial shipment transit from Asia to Europe over the waters of the Arctic north of Russia.
A project that tracks garbage through the waste disposal system over the next three months will help give people a concrete sense of their impact on the environment.