The FAA estimates that the number of flights in the U.S. will increase 20% by 2024. It also has identified numerous airports that will need to expand to handle more flights. However, increasing airport capacity and operations poses potentially significant impacts on the environment and quality of life for surrounding communities. This report addresses: (1) airports' actions to reduce their environmental impacts; (2) the extent airports believe environmental issues delay development or operational changes; and (3) the strategies airports can adopt to address environmental issues. The report surveyed the 150 busiest airports as measured by the number of operations. Illus. This is a print on demand edition of a hard to find report.