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21st Century Tech Blog
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Urban Management In The 21st Century Requires “Smart City” Solutions
lenrosen4
-
April 9, 2025
Cities
Smart Lighting For Sustainable 21st Century Cities
lenrosen4
-
March 30, 2025
Cities
Why Petrochemical Dependency Is Making Our Houses Burn Down
lenrosen4
-
February 5, 2025
Cities
LA Burning Is Hard To Ignore If You Cover Climate Change
lenrosen4
-
January 14, 2025
Cities
The Present And Future Internet of Things For Sustainable Construction
lenrosen4
-
September 5, 2024
Biomass
The Present and Future of Microgrids
lenrosen4
-
April 3, 2014
2
Agriculture
Latest Climate Panel Report Assesses Current and Future Risk
lenrosen4
-
March 31, 2014
3
Cities
Headlines: China Releases Its Urban Planning to 2020
lenrosen4
-
March 25, 2014
0
Agriculture
What Did We Learn in State of the Future Report?
lenrosen4
-
March 23, 2014
1
Cities
Headlines: China to Use Drones to Combat Urban Pollution
lenrosen4
-
March 16, 2014
1
Agriculture
Hate to be a Nag About Climate Change But Here Goes
lenrosen4
-
March 12, 2014
1
Cities
Headlines: Heard of PPlanter? Is It Coming to a Street Near You?
lenrosen4
-
March 11, 2014
0
Cities
Gizmos & Gadgets: New Exo Emergency Shelter an Answer to World Crises
lenrosen4
-
March 10, 2014
0
Cities
Gizmos & Gadgets: Meet Urb-E, A Tricycle to Assist Your Daily Commute
lenrosen4
-
February 25, 2014
1
Cities
China’s Dilemma – Burn Coal or Welcome Economic Stagnation
lenrosen4
-
February 16, 2014
0
Agriculture
Headlines: IBM’s “Project Lucy” Focuses Watson on Africa’s Challenges
lenrosen4
-
February 12, 2014
3
Automobiles
Urban Spaces Update: SkyCycle Proposed for City of London
lenrosen4
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January 10, 2014
0
1
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