Project survival.

Project survival, by G. Norman. The last magician, by L. Eiseley.
The age of overbreed, by Sir J. Huxley. Playboy interview: Dr. Paul Ehrlich.
Nor any drop to drink, by J. Dugan. An inquest on our lakes and rivers, by W. O. Douglas.
Wealth versus money, by A. Watts.
Hunger in America, by J. Javits.
The engineering mentality, by G. Marine.
City of the future, by R. B. Fuller.
The transport revolution, by D. Rorvik.