A Critique of the Fourth National Climate Assessment

By Robert W. Endlich

In describing the errors in the Fourth National Climate Assessment, ‘NCA4’, I’ll use the words from the Executive Summary which purport to link climate changes in the USA to global climate change.

Photo by Pixabay

The first claim, “The last few years have also seen record-breaking, climate-related weather extremes,“ is shown to be false, simply by examining climate records, some from the National Climate Data Center.

Tornadoes have been decreasing over the past six decades as temperatures moderate from the significant cooling of the 1940s to 1970s.  As a basic knowledge of meteorology teaches, it is the pole to equator temperature difference that drives the intensity of cold Continue reading “A Critique of the Fourth National Climate Assessment”