Responsibility for past and future emissions

Wei et al (2012) use two earth-system models, one in from US national lab NCAR and another – derived from it in part, from Beijing Normal University. First, they run scenarios for historical emissions, and find developing countries contributed 20-40%. Looking at responsibility for historical emissions , they find “ that developed countries had contributed about 60–80%, developing countries about 20–40%, to the global temperature rise, upper ocean warming,and sea-ice reduction by 2005.” Secondly, they construct scenarios of future emissions… Read moreResponsibility for past and future emissions