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21st Century Tech Blog
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Home
Energy/Industry
Energy/Industry
Articles on energy
Energy/Industry
55 Years Later Earth Day Is Still Being Ignored By The Vast Majority
lenrosen4
-
April 22, 2025
Energy/Industry
Energy Stories In the News That Caught My Attention
lenrosen4
-
April 18, 2025
Cities
Smart Lighting For Sustainable 21st Century Cities
lenrosen4
-
March 30, 2025
Energy/Industry
Energy Breakthroughs Are Reshaping Our World
lenrosen4
-
March 5, 2025
Renewable
Solar Energy Technology Is Going “Perovskite”
lenrosen4
-
January 18, 2025
Cities
Urban Landscapes Update – Seattle Building Designed to be Autonomous and Green for 250 Years
lenrosen4
-
March 21, 2012
1
Energy/Industry
Energy Update – Advances in Hydrogen Storage
lenrosen4
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March 19, 2012
0
Agriculture
Identifying the Problems of the 21st Century – A Commentary on James Martin’s 16 Challenges
lenrosen4
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March 9, 2012
2
Cities
Urban Landscapes in the 21st Century – Part 4: The Evolution of Cities
lenrosen4
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March 7, 2012
0
Automobiles
Urban Landscapes in the 21st Century – Part 1: The Evolution of Cities
lenrosen4
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February 29, 2012
0
Biomass
Agriculture – Part 7: Growing Food, Feed or Fuel on the Farm
lenrosen4
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December 25, 2011
0
Automobiles
Transportation – Part 6: The 21st Century and the Automobile – What Will We Use to Make Them
lenrosen4
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October 13, 2011
2
Automobiles
Transportation – Part 3: Energy Conservation and Alternative Fuels
lenrosen4
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September 28, 2011
1
Biomass
Energy in the 21st Century – Part 8: Waste as an Energy Source
lenrosen4
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September 6, 2011
0
Biomass
Energy in the 21st Century – Part 7: From Biomass to Biofuels
lenrosen4
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September 3, 2011
5
Energy Conservation Technology
Energy in the 21st Century – Part 6: Storage
lenrosen4
-
August 9, 2011
3
Climate Change Science
Energy in the 21st Century – Part 5: Nuclear
lenrosen4
-
August 4, 2011
3
1
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