Excerpt from The Journal of the Alabama Academy of Science, Affiliated With the American Association for the Advancement of Science, 1977-1978: Volume 48-49 There will ever be a need for clearer understanding of the actual physical and biological processes, the economic return, and the trade offs between desirable goals. Generally, decisions are left to be made either by the private sector in the market place or by the voter and his elected representative as public policy is developed. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.