Sorry, I forgot to include the NASA link in my Comment #71.
http://www.aol.com/article/2015/05/03/space-money-the-politics-and-science-of-nasas-budget/21179253/
Even the Chinese are waking up to the fact that pollution has serious costs, and in the long run avoiding rational regulations, etc. may cost more in the long run.
CO2 is not pollution. We exhale it. Plants incorporate it as a nutrient.