10 things... You can do to celebrate Earth Day 1. Be a political activist:2. Take your Ecological Footprint quiz. 3. Write a letter to the editor.4. Learn why we should stop using plastic bags (and buy some great re-useable bags). 5. Give your library some love. 6. Eat local. 7. Cut down on your energy use. 8. Use reusable water bottles. 9. Plant a tree.10. Teach your children to appreciate the earth.