Executives who still think of environmental stakeholders as pesky activists that can easily be ignored are in for a rude awakening. Today, it's big investors -- pension funds, state controllers, institutional investors, and even their investment bankers -- that are putting pressure on companies to change their tune when it comes to the environment. [refers to TXU (part of KKR, Texas Pacific), Citigroup, Coca-Cola, McDonald's, Clorox, Wal-Mart, Home Depot]