Are you joking? It is harder to find a tighter consensus among experts than the conclusion that a tax is the best policy to curb carbon emissions.<p><a href="http:&#x2F;&#x2F;www.brookings.edu&#x2F;research&#x2F;opinions&#x2F;2013&#x2F;03&#x2F;12-taxing-carbon-gale" rel="nofollow">http:&#x2F;&#x2F;www.brookings.edu&#x2F;research&#x2F;opinions&#x2F;2013&#x2F;03&#x2F;12-taxing...</a>