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21st Century Tech Blog
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World Population
World Population
Editor Picks
The 28th Edition of the UN’s World Population Prospects is Out
lenrosen4
-
July 18, 2024
Environment
Climate Change, New Diseases and Economic Disparity are a Lethal Combo
lenrosen4
-
May 30, 2024
Editor Picks
What Will the World Be Like in 2100 and Beyond?
lenrosen4
-
November 26, 2023
Agriculture
Solving The Intractable Human Problems That Persist in the 21st Century – Part 2: Food Security
lenrosen4
-
October 16, 2023
World Population
Climate Change Isn’t The Only Human-Generated Crisis Our Species Faces In The 21st Century
lenrosen4
-
July 26, 2023
Cities
Environment & Communications Update: The News from China
lenrosen4
-
January 17, 2013
0
Nations
Sex Ratio Imbalances and Society – How Marriageable-Aged Women and Men Shape Culture and Politics
lenrosen4
-
January 16, 2013
0
Curing Illness
Crowdsourcing, Crowdfunding, X Prizes – 7 Billion Minds Put to Work
lenrosen4
-
January 14, 2013
1
Agriculture
A Personal Note and Then A Recantation, Not Mine
lenrosen4
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January 8, 2013
1
Gadgets
Gizmos & Gadgets: Autoclave Quality Sterilization in Remote Settings for Less Than $200
lenrosen4
-
January 2, 2013
2
Automobiles
In Pursuit of a Global Technical Society
lenrosen4
-
December 24, 2012
1
Climate Change Science
The Pursuit of the Millennium Still Drives So Many of Us – From Mayan Myths to Second Comings
lenrosen4
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December 22, 2012
0
Nations
Technology and Politics in the 21st Century – New Governance, New Micro Nations, New Experiments
lenrosen4
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October 22, 2012
1
Cities
Urban Landscapes Update: Megacities Impose Health Challenge for Developing World
lenrosen4
-
October 16, 2012
1
Agriculture
Agriculture Update: Will We Run Out of Food for Our Growing Population in the 21st Century?
lenrosen4
-
October 8, 2012
4
Biomass
Energy Update: Sweden’s Waste-to-Energy Problem – Not Enough Garbage
lenrosen4
-
September 30, 2012
1
Computers
The Future of Work – An Appropriate Labour Day Topic
lenrosen4
-
September 3, 2012
3
1
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Page 15 of 17
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