Green stocks present unprecedented money-making opportunities. But in this emerging field you've got to know what you're doing. In this revised and updated edition of his essential guide to environmental stocks, financial consultant and contributor to The Motley Fool provides a roadmap to socially responsible riches. Profiling 100 leading green companies, he also zeroes in on the newest investment options in renewables—from solar and wind power to green building and fuel cells. Green technology is more than just a passing fad—it's the next big thing for the U.S. energy industry. Don't be left behind as environmental stocks surge forward. With help, plant the seeds of your green portfolio today and watch your bottom line grow!