The following websites are other aircraft/airport environmental groups or sites where additional information can be found.

United States Groups:

Alliance of Residents Concerning O'Hare (Chicago, Illinois)

Citizens Against Airport Pollution (San Jose, CA)

Prospect Park Quiet Skies (NYC)

Sane Aviation for Everyone (NY)

Washington D.C. Palisades Citizens Association

NextGen Noise

Non U.S. Groups:

Australian DOT - Aviation and Airports Policy - Evaluating Aircraft Noise

Heathrow Association for the Control of Aircraft Noise (London, UK)

Plane Crash Zone - (Melbourne, Australia)

UK Study on Aircraft Noise and Sleep Disturbance

Other sources:

Noise Pollution Clearinghouse (NPC)

FAA Airports and Environment

Federal Interagency Committee on Aviation Noise (FICAN)