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/* 100 Billion */
It is mentioned in the article that some estimate that the Earth can harbor 100 billion people. This seems like the kind of thing that should have an external link attached to it for those who want to know who "some" are. I don't know if the person who originally added that still has the relevant information handy.
:I suspect the estimate comes from [http://fatknowledge.blogspot.tw/2008/11/how-many-people-can-earth-support.html here]. I fail to see how this issue relates to the Second Law, tho. [[User:PeterKa|PeterKa]] 05:01, 8 February 2014 (EST)
