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21st Century Tech Blog
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Renewable
Wind Energy Technology
Wind Energy Technology
Energy/Industry
Novel Wind Turbine Design Could Reduce Renewable Costs
lenrosen4
-
November 15, 2023
Energy/Industry
Innovative Wind Energy And An Old Tried And True Way To Keep Cool
lenrosen4
-
October 26, 2022
Energy/Industry
Meet the Wind Catcher – A Novel and Revolutionary Wind Turbine Design
lenrosen4
-
September 21, 2022
Energy/Industry
Wind Turbine Recycling and Application of Circular Economic Principles Points to Zero Waste for Industry by 2040
lenrosen4
-
September 16, 2021
Energy/Industry
Is 100% Carbon-Free Electricity Within the Next Decade Viable for the U.S. Let Alone the Rest of the Planet?
lenrosen4
-
March 19, 2021
Cities
Gizmos & Gadgets: The “Age of Sail” Returns to San Francisco Bay
lenrosen4
-
May 3, 2014
0
Energy Conservation Technology
Some Companies Get Climate Change – Look At Mars
lenrosen4
-
May 1, 2014
2
Energy/Industry
Headlines: Arizona Approves First Solar Wind Tower
lenrosen4
-
April 29, 2014
0
Biomass
The Present and Future of Microgrids
lenrosen4
-
April 3, 2014
2
Energy/Industry
Energy Update: New Alaska Wind Turbine Literally Up in the Air
lenrosen4
-
March 26, 2014
1
Energy/Industry
Headlines: Molten Salt an Answer to Renewable Energy Intermittency
lenrosen4
-
March 7, 2014
1
Cities
Would a Smart Grid Have Helped in Toronto’s Ice Storm?
lenrosen4
-
December 26, 2013
0
Energy/Industry
Gizmos & Gadgets: A Windpower Funnel Technology That is Very Different
lenrosen4
-
December 5, 2013
4
Climate Change Science
Investors Question Valuation of Fossil Fuel Companies in Light of Climate Change
lenrosen4
-
October 27, 2013
0
Biomass
Environment Update: Climate Change, the World Bank, Indonesia and Coal
lenrosen4
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October 15, 2013
0
Biomass
Headlines: 50% of Added Energy Capacity in the U.S. Coming from Renewables Says Report
lenrosen4
-
August 23, 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
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The Earth’s Rate of Warming in the 21st Century is 0.2 Celsius per Decade
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When Dealing With Climate Change Winning Slowly is the Same as Losing
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