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21st Century Tech Blog
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Environment
Geoengineering Science and Technology
Geoengineering Science and Technology
Environment
Can Humans Direct The Weather? Ask Marjorie Taylor Greene
lenrosen4
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October 15, 2024
Geoengineering Science and Technology
Decarbonization Conversations: Anoxic Marine Basins May Help Mitigate Climate Change
lenrosen4
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February 23, 2024
Geoengineering Science and Technology
Could Adding Crushed Rock to Soil Lower Global Atmospheric Temperatures?
lenrosen4
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November 14, 2023
Climate Change Science
On the Eve of COP28 There Are Lots of Alarm Bells About Climate Change Going Off with the Latest Rung by James Hansen
lenrosen4
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November 8, 2023
Environment
New Project Launched to Enhance The World’s Oceans as Carbon Sinks
lenrosen4
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April 25, 2023
Climate Change Science
Are Governments Thinking of Geoengineering Earth to Adjust to Climate Change?
lenrosen4
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July 27, 2013
7
Geoengineering Science and Technology
Space Update: Our Human Behaviour Here on Earth is Perfectly Suited for Mars
lenrosen4
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May 8, 2013
0
Biomedicine
Headlines at 21st Century Tech for February 15, 2013
lenrosen4
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February 15, 2013
0
Energy/Industry
Headlines at 21st Century Tech for December 28, 2012
lenrosen4
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December 28, 2012
1
Cities
Human Resolutions for Lifeboat Earth in 2013
lenrosen4
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December 27, 2012
0
Climate Change Science
Climate Science and Energy Update: 13 Actions Our Governments Must Take
lenrosen4
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June 11, 2012
0
Agriculture
Headlines at 21st Century Tech for June 8, 2012
lenrosen4
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June 8, 2012
0
Biomedical Engineering
Bioengineering Update – If the Climate Changes Wouldn’t it be Easier to Change Us?
lenrosen4
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March 20, 2012
5
Climate Change Science
Geoengineering Update – Proposals for Dealing with Arctic Methane Permafrost Release
lenrosen4
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March 19, 2012
2
Climate Change Science
Geo-engineering – Part 3: Terraforming in the 21st Century
lenrosen4
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October 25, 2011
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