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21st Century Tech Blog
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Climate Change Science
With COP 29 In Two Weeks A Reminder To Delegates – We Are On Pace For A 3.1 Celsius Rise In Atmospheric Temperatures
lenrosen4
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October 27, 2024
Climate Change Science
Italian-Swiss Border Change is the First of Many Geopolitical Adjustments Expected in the 21st Century
lenrosen4
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October 7, 2024
Editor Picks
A National Day of Truth and Reconciliation Brings Back Memories
lenrosen4
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October 2, 2024
Military
Was Carl von Clausewitz Right Describing War as a Form of Policy?
lenrosen4
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April 13, 2024
Environment
Pacific Island Nations Are Forcing the World to Redefine the Meaning of Country
lenrosen4
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November 4, 2023
Artificial Intelligence
Killer Robots on the Battlefield are Closer to Reality Even if Countries Pledge Not to Use Them
lenrosen4
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March 7, 2018
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Military
Current Flashpoints Regional Wars Could Lead to a Global Conflict Before 2020
lenrosen4
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March 4, 2018
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Nations
Robert Bigelow Calls for the Commercializing of Low-Earth Orbit Space
lenrosen4
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February 25, 2018
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Biomedical Engineering
Are Some of the Nations of the World Turning Biology into Bio-weapons?
lenrosen4
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February 23, 2018
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Military
Calling for Military Parades is a First Step in the Descent to a Future World War
lenrosen4
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February 22, 2018
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Energy/Industry
Gizmos & Gadgets: China Builds World’s Largest Air Filter
lenrosen4
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February 20, 2018
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Climate Change Science
Having Come Back from Costa Rica It Was Not Hard to See The Impacts of Climate Change
lenrosen4
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February 17, 2018
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Cities
Pakistan and Capetown Have A Climate Change and Human Population Problem
lenrosen4
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February 7, 2018
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Agriculture
Off to Costa Rica Next Week, a Country That Ranks First on the Happy Planet Index
lenrosen4
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January 27, 2018
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Military
False Ballistic Missile Warning in Hawaii a Symptom of How Disinformation Spreads in an Always Connected World
lenrosen4
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January 14, 2018
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Climate Change Science
Cuba Tackles Climate Change with a Century-Long Plan
lenrosen4
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January 12, 2018
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Energy/Industry
South Australia is Building the World’s Biggest Solar Thermal Power Plant
lenrosen4
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January 11, 2018
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Governments Spending $7 Trillion Annually To Subsidize Fossil Fuels
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Putting Fluoride In Community Water Supplies Is Being Questioned
November 13, 2024
Once Again Global Action To Mitigate Climate Change Is At Risk
November 12, 2024
Canada Celebrates The End Of War Each November 11th
November 11, 2024
