This article is based on a Heartland Panel talk [Dec7, 2015, at Hotel California, Paris]. The Intergovernmental Panel on Climate Change (IPCC) has to provide proof for significant human-caused climate change; yet their climate models have never been validated and are rapidly diverging from actual observations.  The real threat to humanity comes not from any (trivial) greenhouse warming but from cooling periods creating food shortages and famines. Burden of proof Climate change has been going on for millions of years -- long before humans existed on this planet.  Obviously, the causes were all of natural origin and not anthropogenic.  There is no reason to think that these natural causes have suddenly stopped.  For example, volcanic eruptions, various types of solar influences, and atmosphere-ocean oscillations all continue today.   We cannot model these natural climate-forcings precisely and therefore cannot anticipate what they will be in the...(Read Full Article)