Wednesday, September 8, 2010

Overpopulation might get worse

The Book, Big, Flat, and Crowded, by Tom Friedman also talked about the earth getting overpopulated, and this article, from NY Times, says, it might get worse.
Today the fertility level in China is around 1.7 children per woman. if China were to relax its one-child policy, then it’s reasonable to expect that fertility would rise. How much? Well, if fertility increased to replacement level of 2.1 (an increase of just under a half a child), which is not unreasonable given desired family size, the country’s annual number of births would increase by nearly 30 percent, or approximately five million additional births. By midcentury, this would add up to nearly a quarter-billion more Chinese than currently projected by the U.N. And given China’s impact on the environment, especially greenhouse gas emissions, this change of policy clearly portends a great deal.
 If Chinese start to give birth to more than one child, the world would get too crowded, so the the fuel from the hell would be gone sooner than we expected. I am not saying they do not have right to give birth to more than one child, but that sounds kind of scary.

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