[Response: By the end of the century temperatures could be higher by 3 or 4 or more degrees C under reasonable (i.e. not worst case) business as usual scenarios. (realclimate.org)
This is a worst - case business - as - usual scenario with a growing coal usage through 2100. (judithcurry.com)
According to their new report, in a business - as - usual scenario global shipping emissions could double or even triple by 2050. (treehugger.com)