"It was the Friday before Christmas and Joe Paviglianiti, a senior engineer at Canada’s federal pipeline watchdog, the National Energy Board sent an email to TransCanada Corp. “Sorry in advance for bothering you during your holidays,” he wrote on Dec. 19, 2014."

"Many large Canadian companies are financing legal action and lobbying against President Barack Obama’s climate change plan, putting the public and their investors at risk, said a new report released on Monday by an investment services organization."

"Many large Canadian companies are financing legal action and lobbying against President Barack Obama’s climate change plan, putting the public and their investors at risk, said a new report released on Monday by an investment services organization."

"President Obama on Thursday said the United States and Canada were more closely aligned than ever, using a meeting with Justin Trudeau, the Canadian prime minister, to announce joint efforts to curb emissions of planet-warming gases and to promote his personal rapport with the leader of a pivotal neighbor."

"President Obama and Canadian Prime Minister Justin Trudeau will on Thursday pledge to safeguard the Arctic with a series of initiatives that will protect more than 10 percent of the marine areas, designate shipping corridors with low environmental impact, and establish new offshore oil and gas leasing plans, White House officials said."

"Barack Obama and Justin Trudeau will commit to work together to fight climate change and protect an Arctic experiencing the mildest winter ever recorded, sources familiar with the initiatives said."

"Prime Minister Justin Trudeau is poised to sign on to a continental environment and climate-change strategy with outgoing President Barack Obama when the two leaders hold their first formal bilateral meeting in the Oval Office next Thursday."

"Canadian Prime Minister Justin Trudeau faces a challenging day of climate change talks on Thursday with leaders of the country's 10 provinces, one of whom opposes a key part of Ottawa's plan to cut greenhouse gas emissions."

"A judge has ruled in favor of a Canadian power company seeking the legal authority to remove a camp of protesters at the site of a massive hydroelectric dam project in British Columbia."

"Dust blown away from stockpiles left over after oil sands upgrading is very likely a key source of a cancer-linked pollutant commonly found in the northern Alberta region, concludes a new peer-reviewed study."