1. Donate used computers instead of sending them into landfills. 2. Install a low-flow shower head. 3. Wash clothes in cold water. 4. Try using cloth diapers even if it is part-time. 5. Put a timer in the bathroom to remind you to take shorter showers. 6. Take excess weight out of your car to save gas. 7. Keep your tires inflated to the proper level. 8. Eliminate impulse spending.