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21st Century Tech Blog
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Land Use
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
Agriculture
Urban Landscapes in the 21st Century – Part 6: The Evolution of Cities
lenrosen4
-
March 13, 2012
0
Agriculture
Identifying the Problems of the 21st Century – A Commentary on James Martin’s 16 Challenges
lenrosen4
-
March 9, 2012
2
Agriculture
Urban Landscapes in the 21st Century – Part 5: The Evolution of Cities
lenrosen4
-
March 9, 2012
0
Agriculture
Urban Landscapes in the 21st Century – Part 2: The Evolution of Cities
lenrosen4
-
March 2, 2012
2
Land Use
Agriculture – Part 6: The Impact of Human Population Growth on Food Production in the 21st Century
lenrosen4
-
December 23, 2011
0
Climate Change Science
Agriculture – Part 2: Why We Are Rethinking the Farm
lenrosen4
-
December 12, 2011
0
Automobiles
Transportation – Part 1: Where We Will Go and on What in the 21st Century
lenrosen4
-
September 23, 2011
2
Artificial Intelligence
What Lies Ahead? An Introduction to the themes of this blog
lenrosen4
-
October 19, 2009
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Governments Spending $7 Trillion Annually To Subsidize Fossil Fuels
November 15, 2024
Putting Fluoride In Community Water Supplies Is Being Questioned
November 13, 2024
Once Again Global Action To Mitigate Climate Change Is At Risk
November 12, 2024
Canada Celebrates The End Of War Each November 11th
November 11, 2024
