Actually, it’s people like accountants, re-insurers and, um, scientists, who have been scared about this for the longest.  They are trained to see the world less “ideologically”* than your average arts-graduate Grauniad/Telegraph reader.

http://www.citylab.com/tech/2014/09/a-major-accounting-firm-just-ran-the-numbers-on-climate-change/379994/ (hat-tip to the super-cool Joe Blakey).

* Yes, I KNOW there is nothing more ideological than double-entry book-keeping and discount rates yadder yadder yadder.