Read here. The world's expert climate-change economists estimate that the costs associated with reducing CO2 emissions will be multiple times higher than the actual CO2 reduction benefits. If the negative impact on global trade is also included, the costs will likely double. Unfortunately, many U.S. politicians (especially the majority of Democrats and the Obama administration) want to throw money down what is a known huge rat hole for very unsound economic and climatic reasons. (click image to enlarge)