Recursos de colección

The KnowledgeBank at OSU (76.127 recursos)

Knowledge Bank contains collections of presentations, publications and reports related to Ohio State University.

2000-2001

Mostrando recursos 1 - 1 de 1

  1. The Future of Human Populations: Energy, Food & Water Availability in the 21st Century

    Edwards, C. A. (Clive Arthur), 1925-
    In 1798, Thomas Malthus, a British clergyman and intellectual warned that, while there was a tendency for human populations to grow exponentially, he believed that food supplies could grow only linearly and would eventually become limiting. However, regional food shortages, diseases, war, and water shortages have tended to limit population increases, and the efficiency of food production in developed countries has improved greatly particularly over the last 50 years. Nevertheless, during the last half-century the global population has more than doubled from 2.5 billion in 1950 to 6 billion in October 2000. Forecasts of future global human populations have ranged...
    (Duration: 01:12:26) - 28-may-2011

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