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21st Century Tech Blog
Science, Technology and the Future
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Cities
Urban Management In The 21st Century Requires “Smart City” Solutions
lenrosen4
-
April 9, 2025
Artificial Intelligence
How Smart Cities Can Defend Against Pandemics
lenrosen4
-
June 11, 2020
Cities
Has COVID-19 Shown Us How Our Cities in the Future Will Operate?
lenrosen4
-
April 21, 2020
Cities
Reality Starting to “Sink In” for Oceanfront Cities, Towns, But Not Necessarily Property Owners
lenrosen4
-
April 14, 2020
Artificial Intelligence
BrainBox AI Uses Deep Learning to Reduce the Carbon Footprint of All Types of Buildings
lenrosen4
-
March 6, 2020
Cities
Urban Landscapes Update: How One City is Changing the Power Mix and its Carbon Footprint
lenrosen4
-
May 29, 2012
0
Cities
Urban Landscapes Update: A Building That Speaks to Our Urban Future
lenrosen4
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May 15, 2012
0
Cities
Urban Landscapes, Geoengineering and Energy Update: Things You Can Do with Paint
lenrosen4
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April 27, 2012
0
Cities
Energy Update: Why isn’t Solar Taking Off?
lenrosen4
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April 18, 2012
2
Cities
Urban Landscapes Update – Seattle Building Designed to be Autonomous and Green for 250 Years
lenrosen4
-
March 21, 2012
1
Agriculture
Urban Landscapes in the 21st Century – Part 6: The Evolution of Cities
lenrosen4
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March 13, 2012
0
Agriculture
Identifying the Problems of the 21st Century – A Commentary on James Martin’s 16 Challenges
lenrosen4
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March 9, 2012
2
Agriculture
Urban Landscapes in the 21st Century – Part 5: The Evolution of Cities
lenrosen4
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March 9, 2012
0
Cities
Urban Landscapes in the 21st Century – Part 4: The Evolution of Cities
lenrosen4
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March 7, 2012
0
Cities
Urban Landscapes in the 21st Century – Part 3: The Evolution of Cities
lenrosen4
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March 5, 2012
0
Agriculture
Urban Landscapes in the 21st Century – Part 2: The Evolution of Cities
lenrosen4
-
March 2, 2012
2
Mass Transit
Transportation – Part 2: Urbanization and Population Growth
lenrosen4
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September 26, 2011
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