Introduction...
This article accompanies a 2-hour public lecture I gave at the University of Ottawa on March 27, 2015, entitled “The science and geopolitics of climate change”: VIDEO-LINK-Part-1, VIDEO-LINK-Part-2. The physics calculations of Earth’s radiation balance described in Part-1 of the talk are from this paper: Rancourt, D.G., “Radiation physics constraints on global warming: CO2 increase has little effect,” archive.org (3 December 2011). Links to my articles and interviews about climate are here.
The human animal has an instinct to identify potential dangers and to warn others. It is a built-in survival mechanism of any animal that lives in a group. And it is a strong and constant activity, re-enforced by environmental stressors. ...