Arizona Gov. Jan Brewer signed into law a bill that eliminates sales taxes on electricity and natural gas purchased by manufacturers and mining smelters, a move she said was needed to make the state more attractive to large businesses.
A group of Chinese state-owned companies is buying a Peruvian copper mine from Glencore Xstrata Plc for $5.85 billion, adding to a wave of Chinese resource acquisitions abroad.
Federal mine safety officials say the number of mining deaths in the nation totaled 42 in 2013, up six from the previous year.
A new state mine safety rule will require coal operators to install detection systems that automatically shut down continuous mining machines when people get too close.
James River Coal Co. is being allowed to continue its business operations while the company is under Chapter 11 bankruptcy protection.
A Pittsburgh-area coke plant has agreed to upgrade its pollution control equipment and pay a $300,000 fine.
North Carolina regulators are joining with Duke Energy in appealing a judge's ruling on cleaning up groundwater pollution leeching from the company's coal ash dumps.
A major shareholder of a company behind a contentious Alaska mine project announced it was giving its shares away to two Alaska charitable organizations, at least one of which belongs to a larger group that has come out publicly against the project.
A mining company dropped plans to dig a mile-long tunnel for a copper development project near the Smith River after two environmental organizations filed a lawsuit challenging the proposal, state environmental regulators said Monday.
U.S. Steel says its largest mill is on limited production, after a shortage of vital iron ore due to the ice covering Lake Superior had temporarily shut down its furnaces.
James River Coal Co. says it has filed for Chapter 11 bankruptcy protection as part of its efforts to turn around its business.
Rescuers struggled Tuesday to pump water from a coal mine in southern China where 22 miners have been trapped for more than a day.
U.S. Steel has temporarily halted steelmaking at its massive northwestern Indiana mill because the ice-covered Great Lakes have cut off its access to vital iron ore and other raw materials.
Doctors in Peru say at least 15 wildcat gold miners and three police officers suffered gunshot wounds when police moved to reopen the highway that connects Brazil with the Pacific coast.
Duke Energy's chief executive said the company is putting together a detailed plan to clean up nearly three dozen leaky coal ash pits across the state, but that it could take time to complete the task because Duke was taking a "fact-based and disciplined approach" to the problem.
Duke Energy is asking a judge to prevent citizens groups from taking part in any enforcement action that would make the company clean up nearly three dozen coal ash pits across North Carolina.
Duke Energy shareholders are calling on the company's board to launch an independent investigation into issues surrounding a massive coal ash spill that coated 70 miles of a North Carolina river in toxic sludge.
Coal mines in Kentucky would be subject to fewer state inspections under the Senate's budget proposal — a change that safety advocates say would raise the risk for miners, but one the plan's proponents argue is justified given declining mining operations in the state.
The Alaska Senate on Wednesday unanimously passed legislation that would allow up to $270 million in financing for two southeast Alaska mine projects.
An Ohio-based coal operator is suing the head of the Environmental Protection Agency, claiming that the agency has failed to comply with the Clean Air Act's requirement to evaluate the potential impact of its regulatory actions on employment.
The House has approved a bill to prevent the Obama administration from imposing a stream-protection rule for coal mining that government experts say would eliminate thousands of jobs.
Duke Energy officials assured South Carolina regulators that the utility's two coal ash ponds in the state are safe, in part because they are designed differently from a pond in North Carolina that dumped millions of gallons of contaminated water into a river.
The Supreme Court has rejected an appeal from a coal company fighting to reinstate a water pollution permit for a massive West Virginia strip mine.
North Carolina regulators say Duke Energy illegally pumped 61 million gallons of contaminated water from a coal ash pit into the Cape Fear River, marking the eighth time in less than a month the nation's largest electricity company has been cited for environmental violations.