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21st Century Tech Blog
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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
Environment
How Sea Level Rise Threatens the Albatross and What Humans are Doing About It
lenrosen4
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July 6, 2021
0
Geoengineering Science and Technology
Iron Seeding the Ocean to Tackle Climate Change and Ocean Acidification Proposed Again
lenrosen4
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July 5, 2021
2
Environment
Peter Diamandis’ Take on Restoring Biodiversity – Reforestation, Restoration and Reinvention
lenrosen4
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April 5, 2021
0
Climate Change Science
Readers Send Me Articles About Atlantic Ocean Circulation Fearing the End of the Gulf Stream
lenrosen4
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March 8, 2021
0
Climate Change Science
Miami Prepared to Meet 0.6 Meter Sea Level Rise by 2060
lenrosen4
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March 5, 2021
0
Environment
Will Viruses Aboard Lead to the Death of Cruise Lines? The Jury is Out
lenrosen4
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June 7, 2020
0
Climate Change Science
Two Days Ago I Reported That Trump Was Considering Restarting Nuclear Bomb Tests in Nevada – Well There’s More
lenrosen4
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June 6, 2020
0
Environment
Dealing with a Pandemic, an Economic Meltdown, and Now a Foreboding Atlantic Storm Forecast
lenrosen4
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May 21, 2020
0
Cities
Reality Starting to “Sink In” for Oceanfront Cities, Towns, But Not Necessarily Property Owners
lenrosen4
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April 14, 2020
0
Environment
Keeping Us Distracted From Life Here on Earth: NASA’s Aquatic Robot BRUIE Destined to Explore Oceans of the Outer Solar System
lenrosen4
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April 4, 2020
0
Environment
This is on a Need to Know Basis: 70 Million Years Ago the Year Was 372 Days Long
lenrosen4
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April 3, 2020
0
Climate Change Science
East Antarctica Glacier Susceptible to Rapid Climate-Driven Collapse
lenrosen4
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March 24, 2020
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