One of the dirtiest oil sources going green; Alberta closing coal plants

Carbon pricing is the most market-friendly and most flexible means of dealing with the issue

One of the most aggressive campaigns to fight global warming is happening in a Canadian province. There’s just one problem: the same place is also home to some of the dirtiest oil in the world.
 
Alberta is boosting its use of renewable energy, closing power plants that burn coal and in January increased its tax on carbon emissions by 50 per cent, moves that will help Canada curb emissions under the global Paris climate agreement. However, the province is also increasing output from its vast reserves of oil sands, a gooey fossil fuel that produces more than twice as