3. CDs and DVDs
Mails discs to Back Thru The Future (cdrecyclingforfree.com), a woman-owned electronics recycling and data destruction company.
In my house, the most unpopular crayon colors are gray and pale yellow. I never thought twice about tossing the duds in the trash, but it turns out that crayon wax spends eternity in a landfill. Instead, put them in a small box and send them to the recycling program run by Crazy Crayons, where your castoffs will be melted down and turned into a new generation of crayons. For details, go to crazycrayons.com.