Lawyers for two breweries challenged the constitutionality of Alberta’s tax system on small breweries Thursday, arguing the system unfairly favours producers in the province.

A study by financial think-tank Carbon Tracker says Canadian oil and gas companies rank among some of the most exposed to climate policy risk.

Oilsands producers could face steep fines and suspended projects if industry comes close to hitting a mandated 100-megatonne limit under recommendations proposed by Alberta's Oil Sands Advisory Group.

Some business leaders in Canada expressed concerns on Wednesday, May 31, 2017, that the fallout from British Columbia's election is discouraging the private sector from investing in the province.

Shares in Kinder Morgan Canada fell in their debut on May 30, 2017, on the Toronto Stock Exchange amid political uncertainty around the company's flagship Trans Mountain expansion project.

Kinder Morgan's plan to raise money for its Trans Mountain expansion through an initial public offering could not come at a more awkward time.

Enbridge CEO Al Monaco said the company would add the information to its corporate social responsibility reporting as part of the company's efforts to be more transparent.

Building boom in Fort McMurray is ramping up as homeowners, insurers, contractors, and officials in the Alberta city clear hurdles that hindered reconstruction after the devastating wildfire last May.

"This is a concern because methane is a very potent greenhouse gas, 84 times more potent than carbon dioxide over a 20-year period," said Ian Bruce of the David Suzuki Foundation.

Signs of the Canadian oil and gas industry's recovery from a punishing two-year downturn are emerging in unlikely places, including fine grains of sand.