Economic insecurity, Negative Population Growth – NPG – is a national membership organization founded in 1972 to educate the American public and political leaders about the detrimental effects of overpopulation on our environment, resources and quality of life. 7000 B.C. 4000 B.C. 5000 B.C. 2000 B.C. 1+ million years 8 7 6 Future 5 2 1 4 1975 3 Old Stone Age New Stone Age Age Bronze Iron Age Ages Middle Modern Although population growth rates have slowed, the world’s popula- In countries that are already poor, then, rapid population growth only makes matters worth leading to economic insecurity. Under certain condi-tions moderate population growth can be benefi-cial. population growth. Neo-Malthusians 2. population growth above 2% a year inhibits efforts to raise income in poor countries with high birth rates and young age structure. Intro to Population Growth How is population growth naturally regulated? 3000 B.C. 6000 B.C. The current human population is estimated to be over 7 billion. Why should we care? Population Growth into Billions- Last 200 years A.D. 2000 A.D. 1000 A.D. 1 1000 B.C. population growth, economic growth, and technological change are included in the IPCC’s “emissions scenarios.” 4. Neo-Malthusians Robert Kaplan and Thomas Fraser expanded Malthus’ ideas to more than just food, but to also include energy resources World population has increased by 2 billion people over the past 25 years, from 5.3 billion in 1990 to 7.3 billion in 2015. NPG advocates a smaller and truly sustainable United States population Population Growth Models: Geometric Growth Brook Milligan Department of Biology New Mexico State University Las Cruces, New Mexico 88003 brook@nmsu.edu Fall 2009 Brook Milligan Population Growth Models: Geometric Growth. The conclusion that rapid population growth has slowed development is by no means straightfor-ward or clearcut (see Box 5.1). Not surprisingly, the scenario that results in the smallest temperature increase by the end of the 21st century (1.8 degrees Cel-sius) incorporates the lowest population growth projection (7.1 billion people in 2100). population growth in poorest areas – Creating even larger gaps between resources and population . As Chapter 4 showed, in Europe, Japan, and North America economic growth has been accom-panied by moderate population growth, which Another main contribution of Malthus was to give a new line of thinking whereby the dynamics of population growth were viewed in the context of man’s welfare. Just an evidence of opposition to population check is sufficient to confirm our contention.3 Religion with all its vigour and influence in back- ward countries has corroborated with local traditions in gathering a strong opposi-tion to birth control which is the most effective solution of the population problem. 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