Federal authorities have decided against issuing citations in a natural gas well fire in southwestern Pennsylvania that killed one worker earlier this year.
Hundreds of people turned out in Anchorage to comment on a proposal that would severely restrict development of a massive gold-and-copper mine in the Bristol Bay region.
Two Arkansas legislative committees approved a non-binding resolution opposing a proposed federal rule to lessen carbon dioxide emissions from power plants.
Mexico's state-owned oil company will retain rights to exploit 83 percent of the country's proven and probable reserves, but could form alliances with private firms in some of those fields.
The Michigan Court of Appeals on Wednesday upheld a decision by state regulators to allow construction of a nickel and copper mine in the Upper Peninsula backwoods, the latest development in a 12-year legal and political struggle.
Kentucky Utilities and Louisville Gas & Electric have announced that plans for a natural gas power-generating plant in western Kentucky won't go forward.
The Environmental Protection Agency is expected to rule this fall on Dow AgroSciences' application to market Enlist, a new version of the 2,4-D herbicide that's been around since the 1940s. It's partly a game of catch-up for the agriculture industry, as many farmers are dealing with weeds that have become resistant to glyphosate, an herbicide commonly used on corn and soybeans now.
Online court documents show the auction is scheduled for Aug. 18. If the successful bid contemplates a sale, a sale-approval hearing would be held Aug. 20 in U.S. Bankruptcy Court in Richmond.
Kellogg said Wednesday it will step up efforts to reduce planet-warming emissions in its supply chain as part of a broader initiative designed to be more environmentally friendly.
A judge has ruled that Calvert County improperly granted zoning exemptions for a proposed facility to liquefy and export natural gas that has drawn opposition from environmentalists.
A catalyst made from a foamy form of copper has vastly different electrochemical properties from catalysts made with smooth copper in reactions involving carbon dioxide, a new study shows.
A civil defense official says a private mine in northern Mexico did not immediately report a massive acid spill, allowing it to flow into a river that supplies water to tens of thousands of people.
Journalist and scientific organizations accused the Environmental Protection Agency of attempting to muzzle its independent scientific advisers by directing them to funnel all outside requests for information through agency officials.
A company is planning a $1.75 billion project that includes laying 160 miles of natural gas pipeline in West Virginia and Ohio.
Cargill Inc. has agreed to pay more than $187,000 to settle allegations that it violated the Clean Water Act at large oil storage facilities in Iowa and Nebraska.