When you spend, you help support renewable energy By Joan Goldwasser, Senior Reporter October 9, 2007 Instead of taking a perk for yourself, you can now use your rewards points to support sustainable energy. Wells Fargo cardholders enrolled in its Enhanced Rewards program ($19 annual fee; www.wellsfargorewards.com) may redeem points for renewable energy certificates. Redeem 5,000 for a $50 certificate from environmental-energy broker 3Degrees that is applied to renewable energy. RELATED LINKS Best Credit Card Deals Avoid Credit-Card Snafus Overseas More Disclosure on Card Statements Wells Fargo is matching redemptions dollar for dollar until November 4 up to $100,000. Wells Fargo participates in the Environmental Protection Agency's Green Power Partners Program and currently purchases 42% of its electricity from a wind-power provider. Advertisement The no-fee GE Money Earth Rewards Platinum MasterCard Card (www.gemoney.com) lets you choose between contributing 1/2% or 1% of your spending for greenhouse gas emissions offsets or cash (you can switch back and forth). GE AES Greenhouse Gas Services buys offsets once a year on Earth Day. For the best credit card deals, see our tables.