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21st Century Tech Blog
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Renewable
Solar Energy
A New Look At The Viability Of Solar Roads
lenrosen4
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November 4, 2024
Energy/Industry
Solar Energy is Popping Up in Some Very Unusual Places
lenrosen4
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April 17, 2024
Energy/Industry
Alberta Company Believes It Has Game-Changing Geothermal Technology
lenrosen4
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February 7, 2024
Energy/Industry
The World Based On 2023 Results May Be On The Way to Exceed COP28 Renewable Energy Targets
lenrosen4
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January 22, 2024
Energy/Industry
Nikola Tesla’s Energy Theory Using The Power Of Flowing Water And Its Unfulfilled Promise
lenrosen4
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January 13, 2024
Energy/Industry
Religion and Technology Cooperate in Stained Glass Solar Cells
lenrosen4
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August 13, 2013
0
Energy/Industry
Energy Update: Desertec Foundation Walks Away from Solar and Wind Project Consortium
lenrosen4
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July 8, 2013
0
Climate Change Science
As a Retiree Living Off Investment Income What Should Be My Take on Energy Stocks?
lenrosen4
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July 3, 2013
3
Energy/Industry
Energy Update: Renewables to Surpass Natural Gas by 2016 But Coal Continues to Grow
lenrosen4
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July 2, 2013
0
Climate Change Science
Climate Change – A President Gets Serious About Carbon
lenrosen4
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June 26, 2013
0
Energy/Industry
Energy Update: CPV stands for Concentrated Photovoltaic
lenrosen4
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June 25, 2013
1
Energy/Industry
Energy Update: A Battery Made of Wood
lenrosen4
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June 24, 2013
2
Energy/Industry
Gizmos and Gadgets: Self-Charging Cell Phones Coming Soon
lenrosen4
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June 17, 2013
1
Electric Vehicles
Transportation Update: Tesla’s Supercharger Network to Expand Across the U.S. and Parts of Canada
lenrosen4
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June 1, 2013
3
Electric Vehicles
Energy Update: An Environmental Engineer’s 2030 Forecast
lenrosen4
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May 16, 2013
1
Energy/Industry
Energy Update: Solar Power to the Poor
lenrosen4
-
May 13, 2013
0
Climate Change Science
Energy Update: No Limit it Seems to U.S. Oil Reserves Says Geological Survey
lenrosen4
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May 8, 2013
2
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