Environmental consideration relative to civil works projects in the coastal zone of the United States. Paper presented at the 2nd International Bicycle/Pedestrian Conference, Amsterdam, May 28-30, 1975.

It is stated that in the first 200 years of the existing of the U.S.A. the main attention was given to make the traffic quick, safe and comfortable. New ideas on the ecology and the meaning to preserve the environment has altered this strategy. A proposal is made to coordinate all suitable environmental statements and send these to coordinating centres which are listed.