Sustainability ('green') stock market indices are intended to focus attention on environmental credentials, to reward superior performance and to help channel investments. Such indices often incorporate clean energy, waste, water and waste water treatment, recycling and other 'pure play enviro'...

Sustainability ('green') stock market indices are intended to focus attention on environmental credentials, to reward superior performance and to help channel investments. Such indices often incorporate clean energy, waste, water and waste water treatment, recycling and other 'pure play enviro'...