Celebrate Earth Day with almost zero effort Sustainability doesn't have to be hard. Planning to brush your teeth to start the day? Turn off the faucet while you brush. If you do that every day for the whole month, it'll conserve about 200 gallons of water (That was easy, huh?)  Bum a ride with someone to work. Responsible people call it carpooling, but either way, it saves on the amount of carbon monoxide emitted into the environment. Take the stairs instead of the elevator. Double bonus: it's good for your health. Grab lunch from somewhere local. It takes a lot...