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21st Century Tech Blog
AI
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Nations
Trump’s Pitch for Greenland and Canada Is Not Unprecedented When You Look At Colonialism
lenrosen4
-
January 17, 2025
Business/Government
President Biden’s Farewell Address Warns About A Rising Oligarchy of Techno-Billionaires
lenrosen4
-
January 16, 2025
Environment
Climate News On The Eve Of Denier Trump Taking Office
lenrosen4
-
January 10, 2025
Politics and Technology
The New Social Media Norm is Anarchy
lenrosen4
-
January 9, 2025
Business/Government
When Does A Narcissist Become a Megalomaniac?
lenrosen4
-
January 8, 2025
Electric Vehicles
Energy Update: An Environmental Engineer’s 2030 Forecast
lenrosen4
-
May 16, 2013
1
Climate Change Science
Energy Update: No Limit it Seems to U.S. Oil Reserves Says Geological Survey
lenrosen4
-
May 8, 2013
2
Cities
Society and Politics – Part 4: Getting Change Done
lenrosen4
-
May 1, 2013
1
Cities
Al Gore’s “The Future” More About the Present and the Past
lenrosen4
-
April 28, 2013
0
Agriculture
Gizmos & Gadgets: Meet Open Source Ecology
lenrosen4
-
April 22, 2013
0
Nations
Society and Politics in 2100 – Part 3: Democracy, Nations, and Technology
lenrosen4
-
April 10, 2013
3
Nations
Mobile Phones Spawn a Revolution in Entrepreneurship in East Africa
lenrosen4
-
March 7, 2013
0
Agriculture
Environment Update: Nitrogen Pollution as Problematic as CO2
lenrosen4
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March 4, 2013
0
Climate Change Science
Energy and the Environment: When Will We See Humans on Both Sides of the Divide Have a Meeting of Minds?
lenrosen4
-
February 28, 2013
1
Nations
Society and Politics in 2100 – Part 2: Universal Connectivity Equals Direct Democracy
lenrosen4
-
February 27, 2013
2
Energy Conservation Technology
Environment Update: One More Sequestration Project Bites the Dust in Alberta
lenrosen4
-
February 26, 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
1
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