Average Rating 58 reviews Ellen DeGeneres, Robert Redford, Will Ferrell, Jennifer Aniston, Faith Hill, Tim McGraw, Martha Stewart, Tyra Banks, Dale Earnhardt, Jr., Tiki Barber, Owen Wilson, and Justin Timberlake tell you how they make a difference to the environment. Inside The Green Book, find out how you can too: - Turn your thermostat a degree lower in the winter; if every home … [Read more...]