BLOOMINGTON, Ind., March 16 (UPI) -- U.S. researchers at Indiana University are studying the effects of algae on carbon dioxide from coal plants.
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.
NORWICH, England, Oct. 20 (UPI) -- The levels of CO2 uptake in the North Atlantic have dropped by half suggesting an increase in the effects of global climate change, a recent study finds.
WASHINGTON, Aug. 28 (UPI) -- A coalition of environmental groups Tuesday urged the U.S. Environmental Protection Agency to regulate refinery emissions of carbon dioxide.
SYDNEY, May 18 (UPI) -- Scientists say the Antarctic Ocean is losing some of its ability to absorb carbon dioxide.
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.
NEW HAVEN, Conn., June 22 (UPI) -- Earth's carbon dioxide levels 34 million to 45 million years ago were five times today's levels, Yale University said Wednesday of an ancient sea algae study.
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.
IRVINE, Calif., Jan. 6 (UPI) -- A new University of California study suggests El Nino-related fires might be a significant source of greenhouse gases.
