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Alexis Clyburnadded this to Interesting Snippets
Today in science: The Day of 6 Billion

Today in science: The Day of 6 Billion

earthsky.org - By Deborah Byrd

Global population reached 6 billion in 1999 and 7 billion in 2011. Today – October 12, 2017 – it stands at about 7.6 billion, according to United …

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