Tag Archives: AR5

The Logical Fallacy behind ‘Representative Concentration Pathways’

Posted on March 22, 2015 by Clive Best

Representative Concentration Pathways (RCPs) used in AR5 are future projections of greenhouse emissions according to different mitigation scenarios. So for example  there is a ‘business as usual’ high emission scenario (RCP8.5) and a midrange mitigation emissions scenario (RCP4.5). CMIP5 model projections are … Continue reading →

Posted in AGW, Climate Change, climate science, IPCC, Science | Tagged , , | 6 Comments

AR5 Attribution Studies

Posted on December 31, 2014 by Clive Best

Just how reliable is the IPCC AR5 advice to policy makers? The recent IPCC report stated that climate scientists are 95-100% certain that the observed temperature rise since 1850 is anthropogenic. The headline attribution statement in Chapter 10 was “It … Continue reading →

Posted in AGW, Climate Change, climate science, IPCC, Science | Tagged , , | 10 Comments