ARCTIC: Overlooked methane-emitting ponds may push scientists to fix their climate models Christa Marshall, E&E reporter Published: Friday, November 22, 2013 When it comes to methane emissions from the Arctic, not all permafrost is created equal. Please subscribe to ClimateWire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.