Thawing permafrost can release nitrous oxide
Thawing permafrost can release nitrous oxide, also known as laughing gas, a contributor to climate change that has been largely overlooked in the Arctic, a study from B. Eberling, H. H. Christiansen and B. U. Hansen showed in Nature Geoscience. The report in the journal Nature Geoscience indicated that emissions of the gas surged under certain conditions from thawing permafrost that underlies about 25 percent of land in the Northern Hemisphere.Emissions of the gas measured from thawing wetlands in Zack…