No laughing matter – A recent study shows that nitrous-oxide emissions from thawing Alaskan permafrost are about 12 times higher than previously assumed. by crystal | Jun 11, 2019 | climate change http://netzzz.net/2019/06/11/no-laughing-matter-a-recent-study-shows-that-nitrous-oxide-emissions-from-thawing-alaskan-permafrost-are-about-12-times-higher-than-previously-assumed/ Harvard chemist: Permafrost N2O levels 12 times higher than expected