GAINESVILLE, Fla., Jan. 8 (UPI) -- Mercury levels in soil increase as carbon dioxide levels rise, suggesting such pollution will increase with global warming, a U.S. university researcher said.
HOLCOMB, Kan., Oct. 19 (UPI) -- The Kansas Department of Health and Environment denied the air quality permit for two proposed 700-megawatt generators at the Sunflower Electric Power Corp.
WASHINGTON, Aug. 28 (UPI) -- A coalition of environmental groups Tuesday urged the U.S. Environmental Protection Agency to regulate refinery emissions of carbon dioxide.
WASHINGTON, Nov. 25 (UPI) -- Energy companies are preparing for the coming Democratic majority in the U.S. Congress by beginning a push for their favored approaches to global warming.
SACRAMENTO, Aug. 30 (UPI) -- California Gov. Arnold Schwarzenegger and Democratic legislative leaders have agreed on a bill to impose strict limits on emissions of greenhouse gases.
WASHINGTON, Feb. 28 (UPI) -- The U.S. Environmental Protection Agency says greenhouse gas emissions increased by 1.7 percent during 2004 from the previous year.
UNIVERSITY PARK, Pa., May 26 (UPI) -- The discovery of thick ocean beds of siderite suggests carbon dioxide and oxygen prevailed in Earth's atmosphere more than 1.8 billion years ago.
TOKYO, May 10 (UPI) -- Despite Japan ratifying the Kyoto Protocol and reducing greenhouse gases to decrease global warming, Tokyo has decided to not force carbon dioxide cuts.
BOSTON, March 24 (UPI) -- U.S. researchers have found that good farming techniques can increase crop yields and reduce the release of carbon that can develop into greenhouse gases.
IRVINE, Calif., Jan. 6 (UPI) -- A new University of California study suggests El Nino-related fires might be a significant source of greenhouse gases.