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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
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February 5, 2025
Cities
LA Burning Is Hard To Ignore If You Cover Climate Change
lenrosen4
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January 14, 2025
Cities
The Present And Future Internet of Things For Sustainable Construction
lenrosen4
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September 5, 2024
Agriculture
Headlines: U.S. President Prepares Nation for Extreme Weather Events
lenrosen4
-
November 5, 2013
0
Cities
New Report Addresses Global Challenges and the Future
lenrosen4
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October 28, 2013
0
Agriculture
Headlines: You Can Become a Certified Future Strategist
lenrosen4
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October 26, 2013
0
Cities
Water and Waukesha, Wisconsin – A Symptom and Freshwater Challenge
lenrosen4
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October 9, 2013
4
Cities
Headlines: Palo Alto is the First U.S. City to Require New Homes to be Pre-wired for EVs
lenrosen4
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October 3, 2013
2
Agriculture
Climate Change and Its Impact on our World’s Major Rivers – Part 3b: The Rivers of North America
lenrosen4
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October 2, 2013
1
Artificial Intelligence
Headlines at 21st Century Tech for August 9, 2013
lenrosen4
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August 9, 2013
0
Biomedicine
Headlines at 21st Century Tech for July 26, 2013
lenrosen4
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July 26, 2013
0
Cities
Floods in Toronto, Floods in Calgary, Train Derailment in Quebec – How are they Related?
lenrosen4
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July 10, 2013
0
Cities
As a Retiree Living Off Investment Income What Should Be My Take On Energy Stocks? – Part 2
lenrosen4
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July 9, 2013
1
Cities
Materials Science Update: New Discovery May Lead to Mile-High Buildings
lenrosen4
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June 23, 2013
0
Cities
Urban Landscapes Update: China’s Great Urbanization Experiment
lenrosen4
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June 16, 2013
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