"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.