Keystone XL

"We suggest that prompt withdrawal of your complaint against [name redacted] would be the soundest way to avoid such exposure," the letter stated.

Some were elated by President Obama's decision, others were crushed.

After seven years, Obama delivers drives a final stake through the heart of the proposed crude oil pipeline that would have stretched from Alberta to the Gulf of Mexico.

While activity has slowed down, there is still construction and expansion in the Hardisty area's oil and gas industry, says mayor Anita Miller.

TransCanada asks American administration to delay its decision on a border-crossing permit, pending an ongoing dispute in Nebraska over the route

For starters, set a more ambitious GHG emissions target. Also, appoint a new environment minister, and make that person “Minister of the Environment and Climate Change.”

A new report says public opposition to pipelines has effectively halted Alberta's oil sands expansion.

Putting a price on carbon emissions is the last option Canada has available to persuade U.S. President Barack Obama to approve the controversial cross-border oilsands pipeline.

Popular opinion is calling for Green Party Leader Elizabeth May to be the next Environment Minister, but the Liberals boast a strong roster of candidates

The Liberals haven't even had time to convene, but already the environmental community is lobbying on climate change with next to no time left before the Paris summit

NDP leader Tom Mulcair went after Stephen Harper and Justin Trudeau today in order to try and shore up support in Nova Scotia

...but TransCanada could only succeed in creating another round of lengthy delays in an already drawn-out process

TransCanada Inc. said it will abandon its current efforts to invoke eminent domain through the courts and will reapply for state approval - in good news for landowners