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21st Century Tech Blog
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Climate Change Science
Climate Change Science
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
Environment Update: Violence a Consequence of Rapid Climate Change
lenrosen4
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August 4, 2013
0
Climate Change Science
Headlines at 21st Century Tech for August 2, 2013
lenrosen4
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August 2, 2013
2
Climate Change Science
Are Governments Thinking of Geoengineering Earth to Adjust to Climate Change?
lenrosen4
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July 27, 2013
7
Climate Change Science
Environment Update: Carbon Taxes Work – Just Ask British Columbia
lenrosen4
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July 25, 2013
0
Cities
Floods in Toronto, Floods in Calgary, Train Derailment in Quebec – How are they Related?
lenrosen4
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July 10, 2013
0
Cities
As a Retiree Living Off Investment Income What Should Be My Take On Energy Stocks? – Part 2
lenrosen4
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July 9, 2013
1
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
Climate Change Science
Climate Change – A President Gets Serious About Carbon
lenrosen4
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June 26, 2013
0
Climate Change Science
Materials Science Update: Plastic Wood Replacing Timber in Construction – Not Necessarily a Good Thing
lenrosen4
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June 11, 2013
2
Climate Change Science
Energy and Environment Update: Crowdsourcing to Hunt for Power Plants
lenrosen4
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May 14, 2013
1
Climate Change Science
Climate Change Update: We Did It! We Passed 400
lenrosen4
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May 11, 2013
0
Agriculture
Headlines at 21st Century Tech for May 10, 2013
lenrosen4
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May 10, 2013
2
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