NASA: Clean-air regs, not CO2, are melting the ice cap • The Register

NASA: Clean-air regs, not CO2, are melting the ice cap • The Register: "New research from NASA suggests that the Arctic warming trend seen in recent decades has indeed resulted from human activities: but not, as is widely assumed at present, those leading to carbon dioxide emissions. Rather, Arctic warming has been caused in large part by laws introduced to improve air quality and fight acid rain."