"Regulators are finally considering a proposal to clean up Yellowknife's Giant Mine, long one of Canada's worst contaminated sites and Environment Canada's single largest remediation project."

Canada's "federal government is introducing the most stringent rules in the world to effectively ban lead from toys for young children and other products that kids put in their mouths."

"Every day, a rising tide of foreign food makes its way onto Canadian grocery shelves, the vast majority of it entering this country untouched by federal inspectors."

"Federal Conservative senators have defeated a private-member's bill on climate change that was passed by the majority of MPs in the House of Commons, marking the first time Prime Minister Stephen Harper has used the clout he has built in the Upper Chamber to kill a law his minority government does not support."

The possibility of producing natural gas from shale formations beneath central Quebec is raising the same debate about its perils and promises as is raging in U.S. states.

"The controversial chemical bisphenol A can render roundworms sterile, kill their embryos, and damage their chromosomes, according to a new lab study."

"Taking any public health measures to ban or control bisphenol A — as Canada recently did — is premature since evidence of its alleged health risks is not strong enough, the World Health Organization said Tuesday."

"Canada's lakes and rivers are awash in harmful contaminants, but new documents warn the federal government's murky understanding of the problem is putting the country at risk."