Pop Quiz: How Much of the Warming is Natural? Or more precisely; “How much warming has been caused by mankind’s emissions of fossil greenhouse gases?” None About half Most of it All of it None of the above This is a piece of science I have been struggling with since I discovered the Milankovitch cycles…
First published on Truthout.org April 24, 2015. “The best estimate of the human-induced contribution to warming is similar to the observed warming [from 1951 through 2010].” IPCC 2013, Summary for Policy Makers.(1) This statement differs radically from the almost ubiquitous understanding that part of global warming has been caused by humanity and part is natural. In…
The Arctic is warming on average twice as fast as the global average, but in places the warming is double even this rate. Implications are immense as the Arctic is literally the worlds air conditioner, or at least most of the world as most of the world’s land is in the Northern Hemisphere. Thaw out…
First Published on Truthout, August 27, 2014 (link) The fundamental climate change policy question today is not how much we should reduce carbon dioxide emissions by when, but what will currently proposed carbon dioxide emissions reductions do to our climate in the near-term? In addition, what are the ramifications of short-lived climate pollutants that are…
This presentation was given to the Texas Chapter of Mensa on August 16, 2014. (link to presentation) Calling it climate change, global warming, climate disruption — these all scare people or mean things to them that are not good for the cause. Call it what it is—Climate Pollution. We know what pollution is and what…
The major aerosols are black carbon (see May 7), sulfates and oxides of nitrogen (NOx). They come from combustion. Black carbon comes mostly from the burning of most fuels in developing and third world nations where pollution controls are not as stringent as in the developing world. Sulfates and NOx comes mostly from coal and…
