MOBILITY AND THE ENVIRONMENT Environmental issues are likely to impose the fundamental limitation on air transportation growth in the 21st century U.S. National Science and Technology Counci, 1995 Expansion Projects Delayed due to Expansion Projects Cancelled or Indefinitely Environmental lssues Postponed due to Environmental Issues 28%(9 airports)with 25%(12 airports)with at no impact least 1 project affected projects delayed no impact at at 72%(23 airports) 75%(36 airports Source: GAO (2000)survey of 50 busiest commercial Source: GAo (2000)survey of 50 busiest commercial airports. N33 for this question, 1 airport did not respond airports. N=50 for this question, 2 airports with no projects planned @2003 WaitzMOBILITY AND THE ENVIRONMENT “ Environmental issues are likely to impose the fundamental limitation on air transportation growth in the 21st century. ” U.S. National Science and Technology Council, 1995 72% 28% 25% 75% Expansion Projects Delayed due to Environmental Issues Source: GAO (2000) survey of 50 busiest commercial airports. N=33 for this question, 1 airport did not respond. 28% (9 airports) with no impact projects delayed at 72% (23 airports) Expansion Projects Cancelled or Indefinitely Postponed due to Environmental Issues 25% (12 airports) with at least 1 project affected no impact at 75% (36 airports) Source: GAO (2000) survey of 50 busiest commercial airports. N=50 for this question, 2 airports with no projects planned. © 2003 Waitz 9