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21st Century Tech Blog
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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
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April 18, 2025
Cities
Smart Lighting For Sustainable 21st Century Cities
lenrosen4
-
March 30, 2025
Energy/Industry
Energy Breakthroughs Are Reshaping Our World
lenrosen4
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March 5, 2025
Renewable
Solar Energy Technology Is Going “Perovskite”
lenrosen4
-
January 18, 2025
Agriculture
Headlines at 21st Century Tech for October 12, 2012
lenrosen4
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October 13, 2012
0
Energy/Industry
Energy Update: When it Comes to Renewables We Talk About Solar and Wind, What About Geothermal?
lenrosen4
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October 11, 2012
3
Biomass
Headlines at 21st Century Tech for October 5, 2012
lenrosen4
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October 5, 2012
0
Biomass
Environment Update: Waste-to-Resource Technology – Real or a Public Relations Ploy?
lenrosen4
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October 2, 2012
0
Biomass
Energy Update: Sweden’s Waste-to-Energy Problem – Not Enough Garbage
lenrosen4
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September 30, 2012
1
Agriculture
Headlines at 21st Century Tech for September 28, 2012
lenrosen4
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September 28, 2012
0
Climate Change Science
Clean Coal and Other Misinformation – A Generation of Leaders Burying Their Heads in the Sand
lenrosen4
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September 24, 2012
4
Energy/Industry
Energy Update: Selling Solar Panels Door-to-Door
lenrosen4
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September 23, 2012
0
Climate Change Science
Headlines at 21st Century Tech for September 21, 2012
lenrosen4
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September 21, 2012
6
Automobiles
Energy Update: Ever Heard of Piezoelectricity? Electricity from Your Feet!
lenrosen4
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September 14, 2012
6
Energy/Industry
Headlines at 21st Century Tech for September 14, 2012
lenrosen4
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September 14, 2012
2
Energy/Industry
Energy Update: The Answer My Friends is Blowing in the Wind
lenrosen4
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September 11, 2012
8
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