Greenwire

Air pollution officials say they've found the cause of a musty, mildewlike smell percolating around Louisville, Ky., that has led to dozens of complaints.

A year after the Alaska Board of Game banned drones used for hunting on land, the state Board of Fisheries announced Sunday it wants to prohibit commercial fishermen from using unmanned aircraft to pinpoint schooling salmon.

A fire smoldering in a coal seam was put out after burning for about 70 years beneath southeastern Montana, according to the state Department of Environmental Quality.

Clean air groups are joining forces in Utah to denounce state lawmakers for not addressing air quality issues at the legislative level.

French wine connoisseurs are experiencing an existential crisis of sorts when it comes to pesticides.

An estimated 1,500 gallons of used motor oil leaked from a storage tank into a creek that flows into the Yakima River in Washington state, officials said yesterday.

Officials in Santa Barbara, Calif., are hoping to restart an old desalination plant built more than 20 years ago during another extreme drought.

Soaring prices for asphalt, concrete and other materials have hammered government's ability to undertake transportation and water projects, with the hardest hit coming at the federal level, the Congressional Budget Office said in a new report.

Opponents of Exelon Corp.'s proposal to create the largest electric and natural gas utility in the Mid-Atlantic are asking the Justice Department to ensure that markets in the Mid-Atlantic and Midwest remain competitive and allow for new and innovative entrants -- or to block the deal altogether.

PNC Financial Services Group Inc. is promising to further reduce its ties to mountaintop-removal coal mining.

Investigators are looking for the cause of an oil production pipeline leak on Alaska's North Slope that sprayed more than 4,000 gallons of fluid across 38,000 square feet, officials said yesterday.

A Maryland business owner who owns a Delaware fish house is headed to prison after being convicted of trafficking illegally harvested oysters.

A mining geologist will plead guilty to environmental crimes in the first federal case in Alaska charging a mining company with criminal violations of the Clean Water Act, according to a plea agreement filed in the U.S. District Court in Anchorage.

The Southeast Louisiana Flood Protection Authority-East voted 5-4 yesterday to continue its appeal of a federal judge's decision to throw out a lawsuit against more than 80 oil, gas and pipeline companies over coastal wetland damage.

A federal judge yesterday signed off on deadlines for U.S. EPA to finish designating areas of the country that do not comply with the 2010 national sulfur dioxide standard.

Tropical rainforests are disappearing at faster rates than previously thought, according to a new study conducted by a group of forest researchers at the University of Maryland.

Scientists are turning to environmental DNA to detect the presence of invasive species in particular ecosystems.

Colorado has adopted a rule for new and existing oil and natural gas drilling operations located in floodplains, a move designed to prevent spills like the ones that resulted in thousands of gallons of oil washing into waterways during devastating floods in September 2013.

State senators in Washington yesterday approved an 11-bill transportation package that includes a gas tax hike that would set an ambitious $15 billion agenda for the state over the next 16 years.

Latest Images