
You might have seen these stamps and postcards around… they’re part of USPS’s GO GREEN program, meant to draw attention to the little things that you can do to make a difference and have a positive impact on the environment:
Out of milk? Walk or bike to the store. Repair that drippy faucet—the noise was driving you crazy, anyway. Switch to energy-efficient light bulbs. Put on a sweater instead of turning up the thermostat. Sun dry your sheets—they’ll smell wonderful!

Each…