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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
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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
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October 7, 2024
Editor Picks
A National Day of Truth and Reconciliation Brings Back Memories
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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
Military
Doomsday Clock Creeps Closer to Midnight with Dropping of “Mother of all Bombs”
lenrosen4
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April 14, 2017
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Climate Change Science
In the United States and India Young People Are Suing Their Governments Over Inaction on Climate Change
lenrosen4
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April 11, 2017
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Agriculture
The Math to Keep Global Mean Temperatures from Rising More Than 2 Degrees Celsius
lenrosen4
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April 3, 2017
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Energy/Industry
Will Any Country Achieve Paris COP 21 Targets?
lenrosen4
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March 29, 2017
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Climate Change Science
WMO, Doctors and Climate Scientists See Trump Presidency as a Climate Change Disaster
lenrosen4
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March 21, 2017
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Artificial Intelligence
The Battlefields of the Future: Robot Armies vs. Enhanced Humans
lenrosen4
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March 10, 2017
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Agriculture
Armyworms on the March in Africa – Pose a Major Threat to Food Production
lenrosen4
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February 15, 2017
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Energy/Industry
A Visit to a Volcano Speaks of Untapped Geothermal Energy Potential
lenrosen4
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February 9, 2017
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Environment
Unintended Consequences of Trump’s New Wall
lenrosen4
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January 26, 2017
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Agriculture
African and Asian Urban Expansion by 2030 Will Impact Critical Farmland
lenrosen4
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January 25, 2017
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Climate Change Science
21st Century Tipping Points: Will Donald Trump be for the 21st Century what Adolf Hitler was for the 20th?
lenrosen4
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January 21, 2017
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Climate Change Science
U.S. Strategic Plan on Global Change Looks at Geoengineering to Counteract Warming
lenrosen4
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January 20, 2017
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Once Again Global Action To Mitigate Climate Change Is At Risk
November 12, 2024
Canada Celebrates The End Of War Each November 11th
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