Not being able to address the attribution of change in the early 20th century to my mind precludes any highly confident attribution of change in the late 20th century.
Judith CurryDoes it make more sense to provide air conditioning or to limit CO2 emissions. I vote for more air conditioning in these susceptible regions.
Judith CurryI am arguing that climate models are not fit for the purpose of detection and attribution of climate change on decadal to multidecadal timescales.
Judith Curry