1. Always have a few reusable bags at home to bring when grocery shopping. A plastic bag can take up a whopping 1,000 years to decompose.
2. Turn off the faucet while brushing your teeth, shaving, and any other time you don't absolutely need it on.
3. Unplug devices when you're not using them, and turn off the lights in rooms when you leave them.
4. Recycle your aluminum!
5. Buy toilet paper and paper towels sans cardboard tubes.
6. Replace paper bags with reusable lunchboxes.
7. Wash your clothes with cold water.
8. Get crafty with used (and clean) glass jars, offering them a second life as a cute DIY project.
9. Reduce mail clutter.
10. Conserve money and energy by replacing existing bulbs with energy-efficient ones.
11. Donate your clothes rather than discarding them in the trash.
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