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21st Century Tech Blog
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Cities
Urbanization
Urbanization
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
Agriculture
A Case Study: St. Louis and Middle America in the Age of Climate Change
lenrosen4
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February 15, 2020
Agriculture
Urban Landscapes: A Grocery Chain in Brooklyn is Growing Local
lenrosen4
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April 20, 2013
1
Cities
In 2025 630 Million of Us Will Live in 37 Megacities
lenrosen4
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March 6, 2013
0
Cities
Society and Politics in 2100 – Part 1: Speculations on a Very Different World
lenrosen4
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February 24, 2013
0
Cities
Environment & Communications Update: The News from China
lenrosen4
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January 17, 2013
0
Cities
Human Resolutions for Lifeboat Earth in 2013
lenrosen4
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December 27, 2012
0
Cities
Urban Landscapes Update: A Developing World Solution to Urban Migration in the 21st Century
lenrosen4
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December 10, 2012
1
Cities
A Personal Climate Change Update: Climate Change Adaptation Project Advises My City to Prepare for the Worst
lenrosen4
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November 20, 2012
0
Automobiles
Gizmos and Gadgets – An Electric Car You Can Fold Up
lenrosen4
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November 15, 2012
1
Biomass
Materials Science Update: The Plastic Problem and a Plastic Solution
lenrosen4
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November 13, 2012
3
Nations
Technology and Politics in the 21st Century – New Governance, New Micro Nations, New Experiments
lenrosen4
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October 22, 2012
1
Cities
Urban Landscapes Update: Megacities Impose Health Challenge for Developing World
lenrosen4
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October 16, 2012
1
Biomass
Energy Update: Sweden’s Waste-to-Energy Problem – Not Enough Garbage
lenrosen4
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September 30, 2012
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