The value at risk to manageable assets from climate change calculated in this report is US$4.2trn, in present value terms. The tail risks are more extreme; 6°C of warming could lead to a present value loss worth US$13.8trn, using private-sector discount rates. From the public-sector perspective, 6°C of warming represents present value losses worth US$43trn—30% of the entire stock of the world’s manageable assets.
Full report:http://www.economistinsights.com/financial-services/analysis/cost-inaction
The Board Director Training Institute (BDTI) is a "public interest" nonprofit in Japan dedicated to training about directorship, corporate governance, and related management techniques. It is certified by the Japanese government to conduct these activities as a regulated nonprofit. Read a summary about BDTI here, and see a menu of its services for both corporations and investors here.