Two coal companies suing Alberta's government over its mining policy flip-flop say they've reached a settlement agreement with the province.

As toxic tailings build up in the oil sands, the Alberta government is considering letting oil companies inject wastewater deep underground as a tailings management solution.

A new report says the current annual levy charged to Alberta oil companies to fund the cleanup of orphaned oil and gas wells is leading to an estimated funding shortfall of $1.2 billion, making it extremely difficult to clear the backlog of orphan wells or keep up with the rate of surrendering.

The Alberta Energy Regulator approved on Thursday a controversial coal exploration project on the eastern slopes of the Rocky Mountains.

Alberta Premier Danielle Smith says her government is freezing its industrial carbon price effective immediately at $95 per tonne of emissions.

Alberta's government is looking to give the green light to hydrogen as a home and commercial heating fuel in a move it says will boost demand and reduce emissions.

Alberta Premier Danielle Smith says that in her first face-to-face meeting with the new prime minister she gave him an earful on wildfires and oil sales and warned him national unity hangs in the balance.

Alberta's government is proposing a law it says would ban federal employees from going on any oil-related sites -- from wellheads to corporate head offices -- but critics say the province doesn't have the legal right to do so.

The former head of the Alberta Medical Association says Premier Danielle Smith's latest finger pointing at the province's front-line health agency has created a "draconian" chill among workers.

The decision is the latest in a series of back-and-forth government policy manoeuvres over coal development on the eastern slopes of the mountain chain.