As per Nathan's suggestion, I will discuss the carbon tax vs cap and trade to keep the CO2 levels below 350ppm.
Best if you read Chapter 9 of James Hansen's book "Storms of my Grandchildren"
http://www.stormsofmy...
If you wish a copy of the chapter 9, please email me at [masked]
More general info at this wonderful site: http://www.350.org/...