Download or read book Ecoscience written by Paul R. Ehrlich and published by W.H. Freeman. This book was released on 1977-01-01 with total page 1051 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive introduction to basic ecological principlees. Offers an expanded treatment of raw materials; a major section is devoted to energy problems; new coverage is given to geophysical and climatological aspects of the environment; and a provocative discussion of the possiblities of social, political, and economic change is also included.