[gleeaikin]

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.

[justa-hairyape]

CO2 is not pollution. We exhale it. Plants incorporate it as a nutrient.