Scientists have identified thousands of sites in the Arctic where methane that has been stored for many millennia is bubbling into the atmosphere. The methane has been trapped by ice, but is able to escape as the ice melts. Writing in the journal Nature Geoscience, the researchers say this ancient gas could have a significant impact on climate change.
"Durban, South Africa (CNN) -- An agreement reached Sunday in South Africa will help tackle the challenges of climate change for years to come, the United Nations' chief said. ...[The Kyoto Protocol] mandates that industrialized nations cut their greenhouse gas emissions."
LAC-MEGANTIC, Quebec (AP) - Blackened debris, twisted metal and gas leaks hampered rescue workers' search for perhaps dozens of bodies Tuesday, three days after a runaway oil train smashed into this small lakeside town, incinerating homes, a library and a crowded bar.