More than half a day after an industrial fire broke out in the North Dakota oil patch town of Williston, authorities still were unable to say what caused the massive blaze.
Dow Chemical's second-quarter net income slid 62 percent as the prior-year period benefited from a $2.16 billion payment related to a scrapped joint venture.
The Environmental Protection Agency's fight to clean up water pollution got a splash of pop culture, thanks to an Internet flub involving reality TV star Kim Kardashian.
Pennsylvania's state auditor general released a performance audit report saying the Department of Environmental Protection lacks a clear policy on the timeliness and frequency of inspections of the thousands of wells and does not routinely verify information the industry provides about waste disposal.
Critics of a natural gas pipeline expansion in western Vermont want construction halted while state regulators review a recent 40 percent increase in the project's cost estimate.
Exxon Mobil Corp. says it will comply with new protections for gay and transgender employees required of federal contractors, but isn't saying whether it will formalize that wording in its corporate policies.
With a potential lawsuit targeting a decision to ban tar sands oil in South Portland, the governor's energy chief said that he hopes the state can eventually have a conversation about managing the flow of petroleum products rather than having it decided locally.
The Senate Health Committee's employment and workplace safety subcommittee held the hearing in response to a series by the Center for Public Integrity and ABC News on black lung benefits claims for miners. The yearlong investigation, which won a Pulitzer prize for the Center for Public Integrity, examined how doctors and lawyers, working at the behest of the coal industry, helped defeat the benefits claims of sick miners.
The site where an underground pipeline leaked 1 million gallons of saltwater into the North Dakota badlands earlier this month could take years to clean up, an official of Native American tribes involved in the cleanup said Monday.
The South Portland City Council has voted to ban the transfer of crude oil onto ocean tankers, effectively ending any attempt to bring oil from western Canada through a pipeline into the city.
A state agency's decision to revise a Detroit-area steel plant's air quality permit will allow the facility to continue emitting too much pollution, environmental organizations said Monday in a lawsuit.
Overloaded storage bins on the roof of an Omaha livestock feed manufacturer's plant caused the building collapse that killed two people in January, federal investigators said.
A $30 million biomass plant proposed for Athens has won certification from a state financing agency for $12 million in state tax credits, a step forward for a project that could mean saving or creating about 200 jobs and boosting the local tax base.
The Anadolu Agency said the accident early Tuesday caused a large blast and a fireball that engulfed two passenger buses and other vehicles that were also traveling on the road near the town of Lice, some 150 kilometers (90 miles) north of the city of Diyarbakir.