"Ottawa is headed for a legal showdown with British Columbia first nations if it insists on proceeding with the Northern Gateway pipeline, the leader of the Yinka Dene Alliance warns."

"A new study has documented the rapid growth in Canada of ticks that can cause Lyme disease, and global warming is thought to be a factor."

"MONTREAL -- The Canadian asbestos sector wants Ottawa's help to challenge a death-toll estimate from the World Health Organization that says asbestos-related diseases kill more than 100,000 people every year."

"VANCOUVER -- Amid revelations of a well-funded U.S. organisation's plans to deliberately distort climate science, scientists and journalists at a major scientific conference called on the Canadian government to stop its muzzling of scientists. For the past four years, the Canadian government has been denying timely access to government scientists even when their findings are published in leading scientific journals, said scientists and journalists in a special session of the American Academy for the Advancement of Science meeting here in Vancouver, British Columbia."

"Fort St. James, Canada -- The prime minister is talking about being 'held hostage' by U.S. interests. Radio ads blare, 'Stand up to this foreign bully.' A Twitter account tells of a 'secret plan to target Canada: exposed!'"

"Canada’s Nunavut Territory is the largest undisturbed wilderness in the Northern Hemisphere. It also contains large deposits of uranium, generating intense interest from mining companies and raising concerns that a mining boom could harm the caribou at the center of Inuit life."

"President Obama, denouncing a 'rushed and arbitrary deadline' set by congressional Republicans, announced Wednesday that he was rejecting a Canadian firm's application for a permit to build and operate the Keystone XL pipeline, a massive project that would have stretched from Canada's oil sands to refineries in Texas.

"The 'miracle fibre' that helped drive Quebec's economy for more than a century now represents an industry near death, despite government efforts to keep it afloat."

"Public elementary schools in low-income neighbourhoods are more likely to be located near a major road or highway, exposing students to higher levels of air and noise pollution, according to a new B.C. study."

"The Gitga’at First Nation has been saying no to the Northern Gateway pipeline project since 2006. The project will bring more than 200 huge tankers annually through the waters next to their tiny community of 160 in Hartley Bay at the entrance to Douglas Channel on B.C.’s northwest coast. ... "

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"HILDEN, Nova Scotia -- Helene Van Doninck is tired of treating eagles for lead poisoning."

"Early last year, deep in the forests of northern British Columbia, workers for Apache Corp. performed what the company proclaimed was the biggest hydraulic fracturing operation ever."

"MONTREAL -- Weapons-grade uranium is quietly being transported within Canada, and into the United States, in shipments the country's nuclear watchdog wants to keep cloaked in secrecy."

"OTTAWA — Contamination of a major western Canadian river basin from oilsands operations is a 'high-profile concern' for downstream communities and wildlife, says a newly-released 'secret' presentation prepared last spring by Environment Canada that highlighted numerous warnings about the industry's growing footprint on land, air, water and the climate."

"CHALK RIVER, Ontario — At 3:07 p.m. on Friday, Dec. 12, 1952, the National Research Experimental nuclear reactor, then the most powerful research reactor on Earth, raced out of control, rapidly overheated and exploded, destroying the reactor core and spewing radioactive gases and debris into the atmosphere."