Science, Volume 333, Issues 6039-6044John Michels (Journalist) American Association for the Advancement of Science, 2011 |
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Page 540
... projected to top 9 billion by 2050 ; the latest U.N. projections put it at about 10 billion in 2100. In truth , no one knows exactly how high population will grow or when it might flat - line . All population projections are uncertain ...
... projected to top 9 billion by 2050 ; the latest U.N. projections put it at about 10 billion in 2100. In truth , no one knows exactly how high population will grow or when it might flat - line . All population projections are uncertain ...
Page 562
... projections , especially as one looks further into the future ( 7 ) . For example , UN Population Division projec- tions of world population in 2050 range from 8.1 billion to 10.6 billion under the low- and high- fertility projections ...
... projections , especially as one looks further into the future ( 7 ) . For example , UN Population Division projec- tions of world population in 2050 range from 8.1 billion to 10.6 billion under the low- and high- fertility projections ...
Page 572
... projections done between 1973 , 1980 , 1984 , and 1994 as reported in National Research Council ( 20 ) and its appendices . The red line is the Medium UN projection in the 2000 Revision , and the green line is the Medium projection in ...
... projections done between 1973 , 1980 , 1984 , and 1994 as reported in National Research Council ( 20 ) and its appendices . The red line is the Medium UN projection in the 2000 Revision , and the green line is the Medium projection in ...
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AAAS activity alleles analysis Astron Astrophys Atgl atoms autophagy behavior billion Biol Biology black holes cachexia cancer carbon cells Center Chem complex components coral countries decline demographic demographic dividend disease E-mail Earth Planet eclogitic ecosystem effects electron energy etoposide fertility frequency function funding galaxies Galaxy Zoo gene genetic genome global growth host HSCs human increase indicate Institute interactions Lett levels males MeCP2 ment mice molecular molecules MreB mutations National neurons observed OPTN parasites pericytes peridotitic Phys population potential preschool projections protein q-TO Rab1 reef References and Notes regions samples says scale Science scientists spatial species stars strains structure supermassive black holes Supporting Online Material table S1 TBK1 Technology temperature Thy1 tion topological defects transition ubiquitin Univ University youth bulge zeolite