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21st Century Tech Blog
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Climate Change Science
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Climate Change Science
As The Trump Administration Defunds Science What Can Americans Do?
lenrosen4
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June 12, 2025
Climate Change Science
Thermal Expansion Has Oceans Rising Imperilling Coastal Communities
lenrosen4
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June 7, 2025
Climate Change Science
Wildfires Driven By Climate Change Are A Rising Threat
lenrosen4
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May 31, 2025
Climate Change Science
Since 2009 The Pacific Nation of Solomon Islands Is Shrinking
lenrosen4
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March 28, 2025
Climate Change Science
A Practical Understanding Of Climate Change: Part 2
lenrosen4
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March 8, 2025
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
Climate Change Science
Climate Change Update: Follow the Keeling Curve on Twitter
lenrosen4
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May 2, 2013
1
Cities
Society and Politics – Part 4: Getting Change Done
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May 1, 2013
1
Cities
Al Gore’s “The Future” More About the Present and the Past
lenrosen4
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April 28, 2013
0
Biomedicine
Headlines at 21st Century Tech for April 26, 2013
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April 26, 2013
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Artificial Intelligence
Headlines at 21st Century Tech for April 19, 2013
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April 19, 2013
0
Climate Change Science
Energy Update: Coal Use Growing Faster than Renewables – Ouch!
lenrosen4
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April 18, 2013
0
Agriculture
Climate Change Updates: Consequences of Atmospheric Warming
lenrosen4
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April 11, 2013
1
Biomass
Energy Update: More Hydrogen Breakthroughs in the News
lenrosen4
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April 9, 2013
2
Climate Change Science
Environment Update: Is Carbon Capture and Storage Viable?
lenrosen4
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March 14, 2013
2
Climate Change Science
Environment Update: New Study Indicates Northern Vegetation is Changing with Rising Temperatures
lenrosen4
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March 11, 2013
0
Climate Change Science
Headlines at 21st Century Tech for March 8, 2013
lenrosen4
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March 8, 2013
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