"Green roofs have become increasingly popular in the United States as a way to beautify and insulate buildings and reduce heat pollution in urban areas, but last week one drew attention for a far different reason: it collapsed."
"Strict curbs on soot and ozone air pollution would limit global warming by 0.5 degree Celsius (0.9 F) in a step toward achieving tough world climate goals, a U.N.-backed study showed on Friday."
"The retirement of Sen. Jeff Bingaman — the low-key New Mexico Democrat known for his ability to strike centrist deals with Republicans — raises questions about the long-term impact his departure will have on the development of energy policy in future Congresses."
"The Nuclear Regulatory Commission released draft staff reports Thursday on the proposed Yucca Mountain repository but omitted any conclusions about whether the site would be safe for storing radioactive waste."
"Navajo lawmakers on Tuesday approved a lease extension for a northwestern New Mexico power plant that means more money for the tribe, sending it to the tribal president for consideration."
"Bottom-feeding fish in the Hudson River have developed a gene that renders them immune to the toxic effects of PCBs, researchers say."
"The province has launched a probe into the use of the deadly toxin Agent Orange after a Toronto Star investigation showed young forestry workers were doused with the chemical in the 1950s, 60s and 70s."
"ASBESTOS, Quebec -- A plan to increase production from Canada's last asbestos mine near this town named for the deadly mineral has enraged physicians and public health workers around the globe."
"A wave of charged plasma particles from a huge solar eruption has glanced off the Earth's northern pole, lighting up auroras and disrupting some radio communications, a NASA scientist said."
"New evidence unearthed by investigators shows that in some key moments before the Deepwater Horizon exploded in the Gulf of Mexico, BP leaders were disengaged from critical tests and recognized major problems, but they failed to communicate their concerns or take corrective action."
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