The sky fell on Hawaii last month, all because carbon dioxide levels peeped above the much-hyped 400 ppm hurdle. Chicken Littles all over the world squawked into their friendly media megaphones about numerous imminent global warming disasters. One warned: “the fate of the world hangs in the balance.” (Similar alarms were rung when the 350 ppm level was passed). But nobody else noticed anything scary. Four pieces of well-established evidence say that 400 ppm of carbon dioxide in the atmosphere is not a concern. Firstly, there has been no increase in global temperatures since 1998 despite 16 years of rising carbon dioxide levels and heavy usage of carbon fuels. Clearly, CO2 is not the main driver of global temperatures. Secondly, the ice core records show clearly, with no exceptions, that all recent ice ages have commenced when the atmosphere contained relatively high levels of carbon dioxide. The temperature fell first, and then carbon dioxide levels fell. This...(Read Full Post)