We already have indexes that pick green stocks, and rank nations by their policies. The Global Green Finance Index (GGFI) ranks the world’s financial centres – London, New York, Singapore, Shanghai, etc. – by the policies and support they give to green investments. Old ways of valuing assets, particularly in fossil fuel companies, are being questioned say Mike Wardle and Michael Mainelli of the think tank Z/Yen, one of the creators of the index. … [Read more...]