San Andreas array failure is only a temporary setback

SIR — The papers by Malte Meinshausen and colleagues (‘Greenhouse-gas emission targets for limiting global warming to 2 °C’ Nature 458, 1158–1162; 2009) and by Myles Allen and colleagues (‘Warming caused by cumulative carbon emissions towards the trillionth tonne’ Nature 458, 1163–1166; 2009) suggest that society could limit global warming below the widely… CONTINUE READING