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21st Century Tech Blog
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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
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March 19, 2021
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
Electric Vehicles
Energy Update: An Environmental Engineer’s 2030 Forecast
lenrosen4
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May 16, 2013
1
Cities
Society and Politics – Part 4: Getting Change Done
lenrosen4
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May 1, 2013
1
Automobiles
MIT Technology Review Lists 50 Most Disruptive Companies for 2013
lenrosen4
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March 5, 2013
2
Energy/Industry
Energy Update: Pumped Storage to Compliment Variable Renewable Energy
lenrosen4
-
February 20, 2013
5
Biomass
Energy Update: Keystone is a Drop in the CO2 Bucket List
lenrosen4
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February 18, 2013
0
Energy/Industry
Energy Update: Wind Power on a Steep Growth Curve
lenrosen4
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February 13, 2013
0
Energy/Industry
Headlines at 21st Century Tech for February 8, 2013
lenrosen4
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February 8, 2013
0
Energy/Industry
Headlines at 21st Century Tech for December 28, 2012
lenrosen4
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December 28, 2012
1
Energy/Industry
Energy Update: Artificial Tornadoes? What Are They Thinking?
lenrosen4
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December 20, 2012
9
Climate Change Science
Headlines at 21st Century Tech for December 14, 2012
lenrosen4
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December 14, 2012
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