GEOG 204 Lecture Notes - Lecture 4: Menopause, Natural Resource, Collateral Damage
27 Mar 2018
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Arithmetic vs. exponential growth: exponential: 1, 2, 4, 8, 16 etc, arithmetic: 1, 2, 3, 4, 5, 6 etc. On october 12, 1999, the 6th billionth person was born in sarajevo, bosnia and. The 7th billion was born on october 31, 2011 in the philippines (according to the. At the current pace, humanity is adding more about 80 million more people every year. How many people can live on planet earth? (video highlights) What"s causing the growth: everybody having 1 or 2 babies exponential growth, demographic momentum. About 50% of earths available fresh water is appropriated by us and only 1 percent is available. We use most of it for agriculture, industry and urbanization. Most future growth will occur in the developing world. The maximum population that can be supported on a given resource base, with a given level of technology. In perspective: current carrying capacity different diets, western diet = 2-2. 5 billion, typical asian diet = 6-6. 5 billion.
