"One of Canada's top experts on Arctic issues is warning of the 'near-inevitability' of an Exxon Valdez-scale oil spill at a fragile choke point in Alaskan waters if Canada ends up shipping oilsands fuel to China via pipeline terminals on the British Columbia coast."

"Climate change, with its associated melting ice caps and shrinking glaciers, is the usual suspect when it comes to explaining rising sea levels. But a recent study now shows that human water use has a major impact on sea-level change that has been overlooked."

"A new report named the Potomac the nation’s most endangered river, saying it is threatened by nutrient and sediment pollution that lowers the quality of drinking water and kills marine life and will only get worse if Congress rolls back regulations in the Clean Water Act."

"For a good part of its rich history, residents of unincorporated Allensworth, the first African American colony west of the Mississippi, have gone without a reliable supply of safe drinking water."

This is still the case today, where the Tulare County community's wells -- which provide water to the neighboring Colonel Allensworth State Historical Park that commemorates the area's legacy -- exceed federal levels for arsenic.

"GUADALAJARA, Mexico -- For over 500 years, the Wixaritari Indians of Mexico have suffered from poverty, malnutrition and racism -- today, they are also victims of global climate change."

"BISMARCK, N.D. -- Temporary, no-cost permits to tap surplus water from North Dakota's Lake Sakakawea will be issued to oil drillers and other industrial users until a national policy can be developed on how much, if anything, to charge, the U.S. Army Corps of Engineers said Wednesday."

"CAMBRIA COUNTY, Pa. -- A pipe is spewing toxic water into Topper Run from the old Maryland No. 1 coal mine here."

"Something awful is happening in the waters off Peru's northern coast, where some 3,000 dolphins have died and washed ashore since January. This rates as one of the worst, if not the worst, Unusual Mortality Event (UME) ever recorded. ...