The glistening waters and sandy beaches of the Lake Roosevelt National Recreation Area have drawn millions of tourists over the years. But the lake also collected wastes dumped into the Columbia River from one of the world's largest lead and zinc smelters, just across the border in Trail, British Columbia. Now, in a landmark case, a federal judge in Yakima, Washington, soon will decide if the Canadian smelter operator is subject to the U.S. Superfund law and must pay to clean up nearly a century of pollution.
Shell Canada outlines a substantial loss of habitat for birds, woodland caribou, bison and other animals in an environmental assessment of the proposed expansion of its Jackpine oilsands mine in northeastern Alberta.
Pesticides used in farming are also killing worker bumblebees and damaging their ability to gather food, meaning colonies that are vital for plant pollination are more likely to fail when they are used, a study showed on Sunday.
Frogs and other amphibians are being wiped out at such a rapid rate across Asia that many are going extinct before scientists even have a chance to identify them as new species, biologists warned at an international conservation meeting in South Korea this week.
A lawsuit filed Tuesday accuses California regulators of turning a blind eye to the dangers of fracking, in defiance of the state's tough environmental laws.
Cancer was killing Ethel Frazier. For a year, the disease wracked her body. Round after round of chemotherapy had left the 64-year-old frail and exhausted. By this past January, she was nearing the end.
A host of startup companies are pursuing new technologies that they claim will soon lead to large-scale commercialization of biofuels made from algae. But questions remain about the viability and environmental benefits of what its developers are calling “green crude.”
The number of oak trees in California that died from the virulent forest disease known as sudden oak death has increased tenfold in just a year's time as the pathogen spread into several new parts of the Bay Area, including San Francisco's Golden Gate Park, biologists revealed this week.
As Artic sea ice hits a record low, scientific focus is turning to climate "tipping points" - a threshold that, once crossed, cannot be reversed and will create fundamental changes to other areas.