"A U.S. study has found an unusually high incidence of gastrointestinal disease in a small U.S. town located downstream from a Teck smelter in Trail, B.C."

"Transport Minister Denis Lebel has turned down Hamilton’s request for help cleaning up historic airport pollution that happened on the federal government’s watch."

"CORVALLIS, Oregon -- The climate's 'new normal' for most of the coming century will parallel the long-term drought that hit western North America from 2000 to 2004 -- the most severe drought in 800 years - scientists report in a study published Sunday."

"A single holdout could mean indefinite delay. The situation shows how difficult it will be to export Alberta oil sands to Asia."

"MONTREAL -- More than 150 international and Canadian public health organizations and individual scientists are demanding a worldwide ban on the mining, export and use of asbestos."

"WHITEHORSE, Yukon Territory — In February 1942, President Franklin D. Roosevelt gave the Army Corps of Engineers an assignment: Build a road from British Columbia across the Yukon to Alaska — in eight months, before winter sets in."

"A dispute between Canadian pipeline giant Enbridge Inc. and a small Colorado operator is flaring into a political showdown over whether U.S. domestic production will be squeezed out by oil sands crude flowing from across the northern border."

"Two years ago this month, an oil pipeline burst in Michigan, contaminating 38 miles of the Kalamazoo River. It didn't get much national notice because everyone was focused on the massive BP oil spill in the Gulf of Mexico."

"OTTAWA -- Several hundred Canadian scientists and their supporters held an unprecedented protest march on Tuesday to demonstrate against the government's decision to close down major facilities and fire research staff."

"Canada's prime minister, Stephen Harper, faces a widening revolt by the country's leading scientists against sweeping cuts to government research labs and broadly pro-industry policies. The scientists plan to march through Ottawa in white lab coats on Tuesday in the second big protest in a month against the Harper government's science and environmental agenda."

"Prime Minister Stephen Harper’s government has been weakening Canada’s environmental regulations and slashing funds for oversight and research — all while promoting aggressive resource development. Critics warn these unprecedented actions pose a major threat to the nation’s vast natural heritage."

"A charitable foundation devoted to environmental causes that has been vilified by politicians in Canada's governing Conservative Party has struck back, outlining its finances and accusing the politicians of trying to silence dissent."

"OTTAWA — Alberta-based Enbridge can't say what impact millions of dollars in cuts to federal environmental emergency staff would have on its oil-spill response plan for the Northern Gateway pipeline project, even though the plan relies partly on federal help if a spill were to occur."

"OTTAWA -- Changes to Canada's environmental protection laws in the federal budget implementation bill will offer new tools to 'authorize' water pollution, while allowing the government to outsource services to protect the country's waterways, says Fisheries and Oceans Minister Keith Ashfield."

"OTTAWA -- Late [Monday] night, Canada's House of Commons passed Bill C-38, the budget of the majority Conservative government, ignoring thousands of Canadians who spoke up for nature and democracy."