Showing posts from October, 2019

Yet another inconvenient truth

Image So, it turns out that global warming started 100 years ago .  This is really bad news if increased carbon dioxide levels are responsible for global warming. In 1900 it is estimated that the 296 ppm CO2 level was only 16 ppm higher than they were before the industrial revolution started to impact CO2 levels (280 ppm in 1800).  Let's review what that implies.  In 1804 world human population was about 1 billion. World wide coal consumption could be measured in thousands of tons, mostly for heating homes in the few places where coal could be found or transported.  There were no gas or oil wells except maybe a few in China. And other than a few steam engines in England there were no cars, trucks, trains, airplanes or stationary machinery running on fossil fuel. So, if the solution to reduce CO2 to pre-industrial levels in order to halt  global warming, and to do this will require tota