Environmental organizations that oppose tar sands expansion have become the subject of rigorous audits that could force some to shut their doors.
Story updated on Feb. 14 at 2:00 p.m. EDT to include comment from the Canada Revenue Agency.
The U.S. and Canada are going in opposite directions on CO2 emissions, data reveal, with possible implications for Obama's Keystone pipeline decision.
When Alberta Premier Alison Redford came to Washington this year to urge approval of the Keystone...
Federal researchers are on the front line of Harper's alleged 'war on science' as the country's oil ambitions clash with its scientific agenda.
The government of Canada's official position on climate change is that it's real and requires an "...
Environmental groups in Canada say they are now operating within a culture of fear aimed at silencing legitimate democratic dissent.
As U.S. environmental groups renew their battle against the resurrected Keystone XL oil pipeline,...