A move to formally label the controversial energy source as carbon-intensive is unlikely to be passed or rejected outright
The row over the EU's plan to label tar sands oil as highly polluting escalates, as Canada says it 'will not hesitate to defend its interests'
American Wind Energy Association urges Congress to extend tax credit after measure is excluded from payroll tax bill
Republican leaders insist they are looking at all options as they battle to reverse rejection of tar sands pipeline
Court rules limits on sulphur dioxide and nitrogen oxide output need further review, as Keystone pipeline stand-off continues
Jane Burston sees the UK scoop an unwanted gong for its support of Canadian oil sands
President will not rush decision on controversial $7bn project, despite GOP move to link approval to payroll tax deal
China slams Canada for undermining global efforts against climate change following reports it will pull the plug on Kyoto
Canadian interests and oil lobby win coalition's support for highly polluting process in runup to European fuel quality vote
Obama administration postpones decision on controversial tar sands pipeline until after next year's US elections