Michael Klein is an unlikely oil industry executive. He's also an unlikely environmental activist. For many years, the wealthy San Franciscan was a major donor and chair of the board of the Rainforest Action Network, an environmental organization famous for agitating aggressively against timber giants, coal companies, air polluters, and the dirty energy financiers of Wall Street.
But Klein stepped down from that role, and has since helped form a company called Hydrozonix, which might be called a "green" fracking enterprise.Read more »