"Tritium leaks like the one that threatens the future of the Vermont Yankee nuclear plant are undermining confidence in other reactors around the country, three experts nominated by President Obama to join the Nuclear Regulatory Commission said Tuesday at their confirmation hearing."

"Researchers at Northern Arizona University think they may have found an environmentally safe and readily available weapon against the tree-eating armies of bark beetles. It is, with apologies to the boys from Liverpool, the music of the beetles."

"HEAVY WEATHER, a new radio documentary by Barbara Bernstein explores the connections between increasing extreme weather and our changing climate and landscapes. It presents solutions that are community driven, based on decisions we make to change the ways we live and travel. Changes that actually can improve our quality of life."

"Federal land managers said Monday they'll delay a roundup of most of the nearly 600 wild horses in a range in eastern Nevada, at least until after the herd's spring foaling season."

"Living near farms that use the weed killer atrazine may up the risk of a rare birth defect, according to a study presented this past Friday at the annual meeting of the Society for Maternal-Fetal Medicine in Chicago."

"Anti-whaling protest group Sea Shepherd said a Japanese whaling vessel 'intentionally rammed' one of its protest boats on Saturday during a standoff in Antarctic waters."

"A proposed new U.S. NOAA Climate Service is meant to help businesses adapt to the impact of climate change, and to spur development of new technologies to cope with it, U.S. Commerce Secretary Gary Locke on Monday."

"Quebec’s tough new light vehicle emissions regulation has become a political hot potato in Canada after the federal environment minister, Jim Prentice, denounced the rule as 'counter-productive' last week in Calgary while laying out Canada’s down-graded emission targets."

"The United Nations Framework Convention on Climate Change has received national pledges to cut and limit greenhouse gases by 2020 from 55 countries, including China and the United States that together account for 78 percent of global emissions from energy use."