02040oam 2200445 a 450 991069664770332120080610101352.0(CKB)5470000002380385(OCoLC)227207233(EXLCZ)99547000000238038520080508d2008 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierAviation and the environment[electronic resource] NextGen and research and development are keys to reducing emissions and their impact on health and climate : testimony before the Subcommittee on Aviation, Committee on Transportation and Infrastructure, House of Representatives /statement of Gerald L. Dillingham[Washington, D.C.] :U.S. Govt. Accountability Office,[2008]37 pages digital, PDF fileTestimony ;GAO-08-706 TTitle from title screen (viewed on May 8, 2008)."For release ... May 6, 2008."This testimony addresses (1) the scope and nature of aviation emissions, (2) the status of selected key federal efforts to reduce aviation emissions, and (3) next steps and challenges in reducing aviation emissions.Aviation and the environment Aircraft exhaust emissionsUnited StatesAeronautics, CommercialEnvironmental aspectsUnited StatesAirPollutionUnited StatesAircraft exhaust emissionsAeronautics, CommercialEnvironmental aspectsAirPollutionDillingham Gerald Lee1947-1381675United States.Congress.House.Committee on Transportation and Infrastructure.Subcommittee on Aviation.United States.Government Accountability Office.EJBEJBGPOBOOK9910696647703321Aviation and the environment3424781UNINA