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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
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January 14, 2025
Cities
The Present And Future Internet of Things For Sustainable Construction
lenrosen4
-
September 5, 2024
Cities
Headlines: Colorado River More a Trickle as 14 Year Drought Continues
lenrosen4
-
January 6, 2014
2
Cities
Is New York City the Only One Preparing for the Consequences of Climate Change?
lenrosen4
-
December 27, 2013
1
Cities
Would a Smart Grid Have Helped in Toronto’s Ice Storm?
lenrosen4
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December 26, 2013
0
Cities
Home for Christmas At Last – Ruminations on How Cities Deal with Catastrophic Weather Events
lenrosen4
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December 25, 2013
0
Agriculture
Climate Change and Its Impact on our World’s Rivers – Africa – Part Three
lenrosen4
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December 11, 2013
2
Artificial Intelligence
Headlines: Volvo to Put 100 Driverless Cars on Streets of Gothenburg
lenrosen4
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December 2, 2013
0
Cities
Headlines: The Reinsurance Business Knows About Climate Change
lenrosen4
-
December 1, 2013
1
Cities
Environment Update: Unintended Consequences of Shanghai’s Attempt to Restore Coastal Wetlands
lenrosen4
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November 24, 2013
0
Cities
Headlines: Waste Heat from London Tube Heats Homes
lenrosen4
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November 20, 2013
1
Cities
Gizmos & Gadgets: Window Stick-On Filters Out Urban Noise
lenrosen4
-
November 9, 2013
3
Cities
Can China Survive its 21st Century ‘Airpocalypse’?
lenrosen4
-
November 8, 2013
0
Automobiles
Headlines: Podcars Coming to UK City in 2015
lenrosen4
-
November 7, 2013
0
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