"A highly toxic industrial chemical has been spreading under a Garfield neighborhood for almost three decades, slowly seeping into homes and threatening the health of thousands."

"The acidification of the world’s oceans from an excess of CO2 emissions has already begun, as evidenced recently by the widespread mortality of oyster larvae in the Pacific Northwest. Scientists say this is just a harbinger of things to come if greenhouse gas emissions continue to soar."

Thirty years after companies stopped dumping dangerous wastes into the Mahoning River, near Youngstown, Ohio, it is still too polluted for fishing or recreation. Most of the companies are long since gone out of business, but nobody has taken action to clean the river up.

A oil spill off the shore of Brazil may be larger than oil companies and Brazil are admitting, Skytruth reports.

"TORONTO -- More than a decade after the Walkerton disaster, much of Canada's tap water remains at risk from contamination despite initial progress in front-line monitoring and treatment, a new report concludes."

"LAKELAND -- A hulking mountain of ash sitting inside the Lakeland city limits isn't exactly a point of pride, but city officials would rather see it stay than go."

"The twin forces of power costs and climate-change regulations are threatening Southern California's long love affair with imported water, forcing the region to consider more mundane sources closer to home."

"As the country awaits results from a nationwide safety study on the natural gas drilling process of fracking, a separate government investigation into contamination in a place where residents have long complained that drilling fouled their water has turned up alarming levels of underground pollution."