Comments on: POPClocks keep ticking in 2008 http://earthsky.org/human-world/popclocks-keep-ticking A Clear Voice for Science Thu, 09 Feb 2012 20:08:55 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: ClubPenguinCheats http://earthsky.org/human-world/popclocks-keep-ticking/comment-page-1#comment-19670 ClubPenguinCheats Tue, 06 Apr 2010 03:07:13 +0000 http://208.96.63.114/?p=4625#comment-19670 We hear lots of different numbers. And no one really knows. But at least two organizations – the US Census Bureau and the UN – agree on 6.7 billion. We hear lots of different numbers. And no one really knows. But at least two organizations – the US Census Bureau and the UN – agree on 6.7 billion.

]]> By: deborahbyrd http://earthsky.org/human-world/popclocks-keep-ticking/comment-page-1#comment-8449 deborahbyrd Sun, 15 Jun 2008 15:37:33 +0000 http://208.96.63.114/?p=4625#comment-8449 Hi ap, Yes, we hear lots of different numbers. And no one really knows. But at least two organizations - the US Census Bureau and the UN - agree on 6.7 billion. Deborah Hi ap,

Yes, we hear lots of different numbers. And no one really knows. But at least two organizations – the US Census Bureau and the UN – agree on 6.7 billion.

Deborah

]]> By: a p garcia http://earthsky.org/human-world/popclocks-keep-ticking/comment-page-1#comment-8448 a p garcia Sun, 15 Jun 2008 15:32:49 +0000 http://208.96.63.114/?p=4625#comment-8448 Yesterday, I heard it was 10 billion. I think this article is closer to the truth. Yesterday, I heard it was 10 billion. I think this article is closer to the truth.

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