The Supreme Court of Canada ruled that the federal government's Government's Greenhouse Gas Pollution Pricing Act is constitutional this morning.

Saskatchewan, Ontario, and Alberta had appealed the federal levy, saying that natural resources were under provincial jurisdiction and that they had climate policies of their own, drawn to work with their own circumstances.

But the majority decision, written by Chief Justice Richard Wagner, said the federal government was acting within its rights to have a pricing scheme on carbon emissions as climate change affects more than just a single province. 

Read more on the court's decision HERE.