By Rick LeBlanc, About.com Guide One of the challenges in striving to reach zero landfill is what to do with materials that are not readily recyclable. With sufficient volume, there is usually a demand for scrap paper or plastic, or standard 48x40 inch pallets, but what about for other materials? Increasingly, as we push towards diverting more materials from landfills, technologies and infrastructure are developing to address some of these items. The goal is to make more of these exotic materials mainstream recyclables instead. Let’s look at some of these.