Sulfur dioxide actually protected ice from the sun: study
                                
                                
                                    (Newser) -
                                    Sulfur dioxide is a bad thing, right? Indeed, it's been linked to acid rain, crop failures, and respiratory problems—but scrubbing it from the atmosphere has also apparently caused Arctic sea ice to melt, the  Anchorage Daily News  reports. According to  a new study  from Environment Canada, recent reductions...