and painstakingly developed; the things that Man has done 

 which impair it and diminish the abundance it has created; 

 the things which must be done now, before it is too late 

 to recreate the heritage that each generation receives in 

 trust for its successor. 



Many of the things that must be done are little things 

 things each citizen can do and small communities can do 

 things little in themselves but vital, urgent, and far-reaching 

 in combined results. 



Therefore, the matters here discussed are not to be dis- 

 missed lightly, as the concern only of engineers, financiers, 

 and governments. 



Every citizen must understand and play his part. 



It is to all citizens, to help them understand and act, 

 individually and together, that this report is made. 



