World Population: Where it’s thick and where it’s thin


The growing population of the world, now estimated to be over 7 billion, marks a global milestone and presents obvious challenges for the planet.  There are extremely densely populated cities and sparsely populated countries.  China is the most…
Via www.boston.com

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Posted on November 5, 2011, in Uncategorized. Bookmark the permalink. Leave a comment.

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