Recycling can reduce the emission of carbon dioxide and methane by saving energy and natural resources in the creation of new material and by diverting usable materials from landfills. However, recycling is only beneficial when it’s done appropriately and conscientiously. Materials that are not recyclable—either due to their size or content, or because they’re not clean—can contaminate an entire load and condemn it to the landfill. In particular, be careful about plastic recycling—most of it isn’t recyclable, no matter what the industry has been saying for years.

• Reduce the amount of packaging you bring into your home to begin with. You don’t have to worry about how to discard something you never had.
• Follow the instructions you’re given by your local utility closely. Toss into the recycling bin only the things that your utility accepts.
• Clean and dry plastic and glass containers before putting them in the recycling bin.
• Compost soiled paper and cardboard; don’t try to recycle it.
• When in doubt, throw it out.
• Recycle electronics, batteries, CFL lightbulbs, and other things that require special handling at designated certified recycling centers. States and municipalities have different regulations; an online search for “electronics recycling” and your city or state should help you find an appropriate recycling center. For more information, see the EPA website.