arsenic

Transport Canada is refusing to release a health study on the Fort Chipewyan dock contamination.

More than three decades after Indigenous leaders in northern Alberta began asking for funding to better understand if pollution from the oilsands was making their people sick, the federal government is funding a study to do just that.

With decades of experience, Reno Red Cloud knows more than anyone about water on the Pine Ridge Reservation in South Dakota. As climate change makes fire season on the reservation more dangerous, he sees a growing need for water to fight those fires.

Analyzing marine sediment levels around Casey station between 1997 and 2015, Australian and Canadian scientists found that levels of multiple contaminants exceeded international quality guidelines.

Research shows that cutting carbon emissions offers more than an abstract, long-term, far-ranging result. It can actually save lives, almost immediately.

One advocate calls the coal ash pits in her town a "ticking time bomb."

A northern Alberta Indigenous leader has accused Imperial Oil Ltd. of a nine-month coverup over a massive release of toxic oilsands tailings on land near where his band harvests food.

The federal government is playing a dangerous game by refusing to force any company that makes or uses toxic chemicals to have a plan in place to prevent them from getting into the environment, a lawyer for the Canadian Environmental Law Association says.

Behind a fence sit cans containing remains of the mine's old roaster building, its every beam and timber steeped in poison from more than a half-century of separating gold from the arsenic that held it.

A copper smelter in northwest Quebec will be permitted to release 15 nanograms of arsenic per cubic metre of air — five times the provincial norm — Quebec's environment minister said on Monday, August 15, 2022.

State senate passes bill to ban new permits for water bottling operations, calling process ‘detrimental to public welfare’

The Alberta government is thinking about cleaning up a former wood-preserving site along one of the province's biggest lakes by capping it off and turning the adjacent land into a park.