[math-fun] Climate change - an actual economic estimate (claimed in press) for a refreshing change

"Climate Protection May Cost 4% of World GDP by 2030: UN" By Alex Morales 16 January 2014, BloombergBusinessweek http://www.businessweek.com/news/2014-01-16/climate-protection-may-cut-world... it is about a UN report which isn't officially out yet. -- Warren D. Smith http://RangeVoting.org