Inspectors sent to the mine to look at the extent of the rock fall.
More coal plants to open as a result but court challenges will follow.
Marks a 24% reduction since 2007 from reliance on coal-fired power plants.
Critics call negligible effects contention absurd given the scope of the federal coal program.
Annual goal is 800,000 tonnes of carbon dioxide; captured 626,000 last year.
Agreement with Ottawa means the province can still emit millions of tonnes of emissions for 10 years or more past the deadline.
Task force lays out 10 broad recommendations to help workers prepare for a future without coal.
It means no funding for any international project that involves thermal coal.
Democrats say Andrew Wheeler’s work for coal companies should disqualify him from leading an agency that regulates coal.
Companies have mined about 4 billion tons of coal from US federal reserves in the past decade.
Since the Paris climate-change agreement was signed in 2015, more than 92,000 megawatts of new coal power has been added to the world’s energy supply.
The calculations put some of the Paris agreement’s goals nearly out of reach.
More than 24 nations, 17 state, provincial and city governments, and 28 corporations have joined the alliance.
Obama administration rule set limits for emissions of mercury, arsenic and other toxic air pollutants from coal- and oil-fired power plants.
States to get broad authority to determine how to restrict greenhouse gas emissions.