Former UN Lead Author: Global Warming Caused By ‘Natural Variations’ In Climate steve_watson Posted on May 22, 2015 Posted in Aggregated No Comments Tagged with Featured Stories, Tile Global temperature change observed over the last hundred years or so is well within the natural variability of the last 8,000 years. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email