Cookware Garbage Bin Metal Pots and Pans Are Scrap Metal Dispose of metal pots and pans as scrap metal, even if they’re coated with teflon. Find out how to dispose of scrap metal. Ways to Reduce Worth the Investment One great way to reduce is to purchase multipurpose cookware and buy high-quality items that will last. Cast iron cookware is the greenest choice because it can be used on the stove or in the oven, reducing the number of pieces you need to buy. If cast iron is cared for correctly, it can last a lifetime. Ways to Reuse Give to Charity Keep old pots and pans out of landfills by dropping them off at thrift shops. You can drop-off unwanted cookware to any of these nonprofits: Goodwill, The Salvation Army, Society of St. Vincent de Paul, Vietnam Veterans of America and PlanetAid.