We have a climate change deal!  We have a climate change deal!  Or so they say in Paris.    The deal has two problems.    First, it has no enforcement mechanism.  In other words, we can't force anyone to do anything.  Secretary Kerry confirmed it Sunday.  This is a deal that means nothing, because no one will put sanctions on anyone who is polluting the air or burning too many gallons of fossil fuel. Second, the dirty little secret about climate change is that it impacts economic growth, as Eduardo Porter wrote: Much of Europe experienced no growth at all in the 500 years that preceded the Industrial Revolution. In India, real incomes per person shrank continuously from the early 17th through the late 19th century. As world leaders gather in Paris to hash out an agreement to hold down and ultimately stop the emissions of heat-trapping greenhouse gases that threaten to make Earth increasingly inhospitable...(Read Full Post)