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21st Century Tech Blog
Science, Technology and the Future
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Environment
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Oceans
Climate Change Science
Thermal Expansion Has Oceans Rising Imperilling Coastal Communities
lenrosen4
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June 7, 2025
Environment
Three 21st Century Ocean Technologies That Caught My Eye
lenrosen4
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June 5, 2025
Artificial Intelligence
New Google AI Allows Humans To Have Conversations With Dolphins
lenrosen4
-
April 16, 2025
Climate Change Science
Since 2009 The Pacific Nation of Solomon Islands Is Shrinking
lenrosen4
-
March 28, 2025
Climate Change Science
The Earth’s Rate of Warming in the 21st Century is 0.2 Celsius per Decade
lenrosen4
-
December 19, 2024
Climate Change Science
Can Science Help Corals Adapt to Climate Change?
lenrosen4
-
April 27, 2014
0
Cities
Would Zoning the Ocean Save it?
lenrosen4
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April 26, 2014
0
Energy/Industry
Headlines: Island Nations Build Ocean Thermal Power to Reduce Dependency on Fossil Fuels
lenrosen4
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April 14, 2014
0
Climate Change Science
Could Life Have Fueled Death in Earth’s Past? Are There Lessons for the Present and Future?
lenrosen4
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April 4, 2014
0
Environment
Searching for Malaysia’s Missing Plane Shows Us How Much Garbage We Have Dumped into the Ocean
lenrosen4
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April 1, 2014
0
Agriculture
Latest Climate Panel Report Assesses Current and Future Risk
lenrosen4
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March 31, 2014
3
Agriculture
What Did We Learn in State of the Future Report?
lenrosen4
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March 23, 2014
1
Climate Change Science
An Update on NASA Doomsday Scenario Paper
lenrosen4
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March 21, 2014
1
Climate Change Science
Headlines: The Relationship Between Greenland and Sea Level Getting More Troubling
lenrosen4
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March 18, 2014
2
Agriculture
Hate to be a Nag About Climate Change But Here Goes
lenrosen4
-
March 12, 2014
1
Climate Change Science
Headlines: Ozone Layer Under Threat Yet Again
lenrosen4
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March 11, 2014
2
Energy/Industry
Headlines: New Material May Lead to Faster Oil Spill Cleanups
lenrosen4
-
March 8, 2014
1
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