The IPCC features 4 feedback scenarios, and 6 original scenarios which are 'equally-likely', and the discussion is always around the worst case of them. 6 mode

The IPCC features 4 feedback scenarios, and 6 original scenarios which are 'equally-likely', and the discussion is always around the worst case of them. 6 models :: http://www.grida.no/publications/other/ipcc_sr/?src=/climate/ipcc/emission/150.htm http://www.grida.no/publications/other/ipcc_sr/?src=/climate... http://www.grida.no/publications/other/ipcc_sr/?src=/climate/ipcc/emission/146.htm http://www.grida.no/publications/other/ipcc_sr/?src=/climate... 4 Economic Response Models :: http://www.lenntech.com/greenhouse-effect/ipcc-scenarios.htm http://www.lenntech.com/greenhouse-effect/ipcc-scenarios.htm http://www.lenntech.com/greenhouse-effect/ipcc-sres-scenarios-consequences.htm http://www.lenntech.com/greenhouse-effect/ipcc-sres-scenario...