Green: The New Red, White and Blue

New York Times columnist Thomas L. Friedman looks at various "green" technologies--hydroelectric, solar, wind, and nuclear power, hybrid, electric, and hydrogen-fuel-cell cars, clean-coal, bio-fuels, and energy-conservation methods--being adopted by American businesses and families today, to reduce the output of the greenhouse gas carbon dioxide and ultimately to reduce global warming and ensure political stability throughout the world.