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21st Century Tech Blog
Science, Technology and the Future
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Environment
Oceans
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
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April 16, 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
The Earth’s Rate of Warming in the 21st Century is 0.2 Celsius per Decade
lenrosen4
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December 19, 2024
Climate Change Science
A Conversation About Vanishing Islands Before a Baseball Game
lenrosen4
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August 31, 2014
1
Environment
Mercury Levels in the Upper Ocean Tripled by Us
lenrosen4
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August 14, 2014
0
Climate Change Science
Arctic Ocean Making Waves and So is the IMF About Climate Change
lenrosen4
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August 3, 2014
1
Climate Change Science
Argo Programme Paying Dividends in Our Study of the Oceans
lenrosen4
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July 9, 2014
1
Agriculture
Freshwater Scarcity May Be Our First Climate Change Adaptability Challenge
lenrosen4
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July 2, 2014
2
Climate Change Science
NASA Preparing Satellite to Monitor How the Planet Breathes
lenrosen4
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June 26, 2014
6
Climate Change Science
Global Ocean Commission Tells Us What We Don’t Want to Hear
lenrosen4
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June 24, 2014
1
Cities
Putting Perspective on Climate Change Impacts: Part 1 – The Eastern U.S.
lenrosen4
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June 11, 2014
0
Environment
Earth Has a New Class of Rocks – Plastiglomerates
lenrosen4
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June 6, 2014
2
Climate Change Science
New Study of Tropical Cyclones Indicates Polar Migration
lenrosen4
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May 14, 2014
0
Cities
New West Antarctica Report Points to Rising Sea Levels from Melting Glaciers
lenrosen4
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May 13, 2014
0
Energy/Industry
Greenpeace is a Gadfly in Russian Arctic Oil Extraction – Maybe We Should Be Paying Attention
lenrosen4
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May 2, 2014
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