The clock has run out for an estimated 40,000 illegal gold miners who had until Saturday to legalize their status in a region of southeastern Peru where fortune-seekers have ravaged rainforests and contaminated rivers. The government's vow to enforce a ban on illegal mining is raising fears of bloody confrontations.
A state-sponsored company that directed millions of dollars from foreign investors to the idled...
More than 200 Mossville and Brentwood residents with property close to the Sasol chemical...
The tiny island state 2,500 miles from the nearest continent is so critical to the nation's modern corn-growing business that the industry's leading companies all have farms here, growing new varieties genetically engineered for desirable traits like insect and drought resistance.
The Supreme Court has declined to disturb a $105 million verdict against Exxon Mobil for contaminating New York City's groundwater.
The U.S. energy boom is blurring the traditional political battle lines across the country. Democrats are split between environmentalists and business and labor groups, with the proposed Canada-to-Texas oil pipeline a major wedge. Some deeply conservative areas are allying with conservationists against fracking, the drilling technique that's largely responsible for the boom.
Biofuels made from the leftovers of harvested corn plants are worse than gasoline for global warming in the short term, a study shows, challenging the Obama administration's conclusions that they are a much cleaner oil alternative and will help combat climate change.
Halliburton says it was profitable in the first-quarter after reporting a loss for the period a year ago. Its latest results topped Wall Street expectations, and its shares edged up in premarket trading Monday.
After early complaints that out-of-state firms got the most jobs, some local construction trade workers and union members in Pennsylvania, Ohio and West Virginia say they're now benefiting in a big way from the Marcellus and Utica Shale oil and gas boom.
Some Albuquerque leaders are suggesting a site on the city's west side as a location for Tesla Motors' planned new plant to manufacture batteries for its electric cars.
The deadly explosion at a McEwen ammunition plant was accidental, according to a preliminary investigation by the Bureau of Alcohol, Tobacco, Firearms and Explosives.
Canadian company Suncor Energy says an employee has died after being "severely injured" at its oil sands site.
Pollution at the closed Columbia Falls aluminum plant qualifies it as a Superfund site, but the U.S. Environmental Protection Agency says it wants the public's support before moving with the cleanup process.
Montana's largest mining company says its precious metals production rose modestly while recycled metal volumes dropped sharply in the first quarter of 2014.
NorthWestern Energy would have to walk away from a $900 million deal to buy 11 hydroelectric dams in Montana if forced to make changes recommended by the state Consumer Counsel, an executive for the South Dakota-based utility said Thursday.
State health officials have ordered a facility in western North Dakota that handles radioactive material to cease operations immediately.
West Virginia is expanding its tourism funding in hopes of offsetting negative publicity from the January chemical spill in the Elk River that spurred a water-use ban for days.
Two months after radiation leaked from the federal government's half-mile deep nuclear waste dump in southeastern New Mexico, officials said Thursday that crews have found contamination underground in the area where waste was most recently being stored.