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21st Century Tech Blog
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Urban Management In The 21st Century Requires “Smart City” Solutions
lenrosen4
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April 9, 2025
Cities
Smart Lighting For Sustainable 21st Century Cities
lenrosen4
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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
Cities
Managing the Future – Part 4: Living with Continuous Change
lenrosen4
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April 3, 2019
0
Cities
New York City Proposes Flood-Proof Barrier for Manhattan to Combat Sea Level Rise
lenrosen4
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March 14, 2019
0
Cities
Back from Costa Rica Where a Carbon-Free Future is the Focus of the Government
lenrosen4
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March 12, 2019
0
Cities
Gizmos & Gadgets: Australian Architectural Firm Develops an Origami-like Solar Window Covering
lenrosen4
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February 23, 2019
0
Cities
A Global Alliance of 30 Companies Commit $1 Billion to End Plastic Waste in the Environment
lenrosen4
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February 14, 2019
0
Agriculture
Global Warming and the Colorado River
lenrosen4
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February 5, 2019
0
Automobiles
Gizmos & Gadgets: Will Smart Windshield Wipers and Connected Vehicles Help in Weather Forecasting?
lenrosen4
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January 23, 2019
0
Climate Change Science
California Utility a Victim of Climate Change as It Files for Bankruptcy Protection
lenrosen4
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January 21, 2019
0
Automobiles
Shenzhen, China, Goes Electric for its Entire Taxicab Fleet
lenrosen4
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January 19, 2019
0
Cities
Cities in Canada Are Not Prepared for Climate Change Says New Study
lenrosen4
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December 5, 2018
0
Cities
Why Aren’t There More Climate Change Data Providers Like Four Twenty Seven? A Conversation With Yoon Hui Kim
lenrosen4
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November 20, 2018
0
Cities
Are The Cities Described Here What to Expect as the 21st Century Unfolds?
lenrosen4
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November 13, 2018
0
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