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September 21, 2009



I like this way of looking at it; thanks. It shouldn't be that hard for a portfolio manager to just screen out a tiny percentage of companies and still have a high-performing portfolio (does anyone have one of those these days?). As companies balance and move funds around, they could take money from these first. Over time, the whole portfolio would get greener. It's a very simple screen, which they could keep adjusting as their portfolios get greener.

I think this is much simpler and easier to implement for a portfolio manager than trying to invest in the "greenest."

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