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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
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April 9, 2025
Artificial Intelligence
How Smart Cities Can Defend Against Pandemics
lenrosen4
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June 11, 2020
Cities
Has COVID-19 Shown Us How Our Cities in the Future Will Operate?
lenrosen4
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April 21, 2020
Cities
Reality Starting to “Sink In” for Oceanfront Cities, Towns, But Not Necessarily Property Owners
lenrosen4
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April 14, 2020
Artificial Intelligence
BrainBox AI Uses Deep Learning to Reduce the Carbon Footprint of All Types of Buildings
lenrosen4
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March 6, 2020
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
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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
Automobiles
Gizmos & Gadgets: Will Smart Windshield Wipers and Connected Vehicles Help in Weather Forecasting?
lenrosen4
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January 23, 2019
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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
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Cities
Cities in Canada Are Not Prepared for Climate Change Says New Study
lenrosen4
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December 5, 2018
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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
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Cities
Are The Cities Described Here What to Expect as the 21st Century Unfolds?
lenrosen4
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November 13, 2018
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Cities
The Pursuit of the World’s Tallest Buildings is Pushing Engineering Limits
lenrosen4
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October 15, 2018
0
Cities
Google Creates New Tool for Cities to Measure Their Carbon Pollution
lenrosen4
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September 26, 2018
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