01391cam 2200301 i 450099100426403780753620230515102110.0111129s1977 xxu a e| |01 u eng 07167002989780716700296Bibl. Dip.le Aggr. DiSTeBA - Sez. Biologia301Ehrlich Paul R.63723Ecoscience :population, resources, environment /Paul R. Ehrlich, Anne H. Ehrlich, John P. HoldrenSan Francisco :W.H. Freeman,1977copyright 1977xv, 1051 pages :illustrations. ;25 cmFirst- 2d ed. published under title: Population, resources, environmentIncludes bibliographical references and indexesA 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, politcal, and economic change is also included.PopulationPollutionHuman ecologyEhrlich Anneauthorhttp://id.loc.gov/vocabulary/relators/aut63724Holdren John P.991004264037807536Ecoscience3376293UNISALENTO