The Air & Waste Management Association (A&WMA) is a nonprofit, nonpartisan professional organization that provides training, information, and networking opportunities to thousands of environmental professionals in 65 countries.

This web site has been prepared to assist plastic bottle designers, fabricators, and packaging decision-makers in constructing bottles for a wide range of specific product applications that are also compatible with the broadest range of recycling operations and technologies.

CDRA promotes and defends the environmentally sound recycling of the more than 325 million tons of recoverable construction and demolition (C&D) materials that are generated in the United States annually. These materials include aggregates such as concrete, asphalt, asphalt shingles, gypsum wallboard, wood and metals.

ISRI—the Institute of Scrap Recycling Industries, Inc.—is the trade association of the scrap processing and recycling industry. It represents 1,300 companies that process, broker, and industrially consume scrap commodities, including metals, paper, plastics, glass, rubber, and textiles.

The U.S. EPA's Landfill Methane Outreach Program (LMOP) is a voluntary assistance and partnership program that promotes the use of landfill gas as a renewable, green energy source.

The National Recycling Coalition is a not-for-profit organization dedicated to the advancement and improvement of recycling, and also source reduction, composting, and reuse by providing technical information, education, training, outreach, and advocacy services to its members in order to conserve resources and benefit the environment.

LandGEM is an automated estimation tool with a Microsoft Excel interface that can be used to estimate emissions rates for total landfill gas, methane, carbon dioxide, nonmethane organic compounds, and individual air pollutants from municipal solid waste landfills. It is available from the EPA's Clean Air Technology Center.