"More than half the Senate on Wednesday urged quick approval of the Keystone XL oil pipeline, ramping up pressure on President Barack Obama to move ahead with the project just days after he promised in his inaugural address to respond vigorously to the threat of climate change."

"Of all the Idle No More protests that sprung up on Wednesday's national day of action across Canada, what may have worried the conservative government of Stephen Harper the most was a gathering of aboriginal young men banging tribal drums outside a hotel in downtown Vancouver."

"The dozen trapped orcas swam free after changing weather conditions cracked the sea ice in northern Canada."

"A grassroots indigenous movement is shaking up politics in Canada. It's called Idle No More. Like Occupy Wall Street and the Arab Spring, it spread quickly through social media and it's now got the attention of Canada's leaders, thanks to the efforts of one chief from a tiny tribe whose hunger strike has galvanized the movement." ...

"Oil-sands development is polluting nearby remote Alberta lakes with rising levels of a toxic carcinogen, refuting long-standing claims that waterway pollution in the region is largely naturally occurring, a study has found."

"Two Americans face federal arraignment next week in Maine on charges that they were part of a smuggling ring that brought narwhal tusks into the United States from Canada for illegal sale."

"Superstorm Sandy killed 80 people on the U.S. East Coast while entire neighbourhoods, including Lower Manhattan, were flooded. Power failures affected 4.6 million homes and there was an estimated $50 billion in damage. While B.C. is not prone to hurricanes, climate change experts say the province will likely see similar violent weather, including more frequent, more intense storms as the planet gets warmer."

"Snowy owls have left the arctic en masse this year, flocking south to B.C., delighting bird enthusiasts across the province but worrying biologists."

"Susan Rice, the candidate believed to be favored by President Obama to become the next Secretary of State, holds significant investments in more than a dozen Canadian oil companies and banks that would stand to benefit from expansion of the North American tar sands industry and construction of the proposed $7 billion Keystone XL pipeline. If confirmed by the Senate, one of Rice's first duties likely would be consideration, and potentially approval, of the controversial mega-project."

"It is known that mountain pine beetle infestations have the potential to raise nearby air temperatures by killing off trees that provide a natural refrigerator effect for forests. Now, researchers are releasing hard numbers documenting how the pests' invasions affected a specific place."