EES 1080 Lecture Notes - Lecture 4: One-Child Policy, Exponential Growth, 100 Girls
7 May 2017
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One world at seven billion: population continues to rise in most countries, particularly in poverty-stricken developing nations, although the rate of growth is slowing, we are still increasing the numbers. It would take 30 years counting once each second, to count to a billion! It would take 210 years to count to 7 billion. The human population is growing rapidly: population grows over 80 million each year. It took until 1800 to reach 1 billion. In 1930 (130 years later) we reached 2 billion: we added the most recent billion in 12 years, due to exponential growth, even if the rate remains steady, population will. Is population growth a problem? continue to grow. Rates of growth vary from region to region (70/1. 2=58: technology, sanitation, medication, and increased food increase population, at today"s (cid:883). (cid:884)% global growth rate, the population will double in (cid:887)(cid:890) years.
