To put this in perspective, it is worth recalling the G8 summit in Italy in July 2009 which elicited an agreement on a long term goal of reducing global greenhouse gas emissions by 50% by 2050, with an 80% reduction objective for developed countries.1 Furthermore, at a side meeting of that summit, 17 nations including Brazil, China, India, South Africa and the G8 had already agreed on the two degr