U.S. is only 16% of the global total emissions—percentage-wise the lowest on record (since 1959) and falling rapidly’
'Unilateral U.S. CO2 mitigation strategies, in other words, are doomed to increasing irrelevance–and even unintended consequences should carbon rationing at home result in industrial transfers to less regulated areas' -- 'The impact that emissions reduction efforts in the U.S. will have on global emissions totals–and by extension, global climate–is quickly diminishing'
