Desertification:  overpopulation on dry lands - deserts in the making.
Behrens
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D003226:Congresses as Topic; D003710:Demography; D004467:Economics; D011153:Population; D011157:Population Dynamics; D011158:Population Growth; D012959:Socioeconomic Factors; D014480:United Nations
Conferences And Congresses; Demographic Factors; Economic Factors; Population; Population Dynamics; Population Growth; Socioeconomic Factors; Un