A MODEL OF GLOBAL CLIMATE AND ECOLOGY
RAND CORP SANTA MONICA CA
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Considerable progress has been made in recent years in understanding the ecology and the effects of mans activities upon regions the size of lakes, estuaries, forests, and grasslands. As mans intrusions into these ecosystems have increased in recent decades, urgent and acute problems have arisen which demand the immediate application and extension of local ecosystem research. There is, in addition, a problem on a larger scale. This is the problem of the long term, persistent effects of mans activities when viewed on a global scale. Will man, carrying his proliferation of works and bodies into the future, seriously and possibly irreversibly affect the global climate, his own food supply, and even the biological balance of the planet. The paper discusses the feasibility of answering, in a quantitative way, that question.