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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
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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
Climate Change Science
In Canada Federal-Provincial Politics Has Usurped Good Policy
lenrosen4
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May 31, 2018
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Artificial Intelligence
Could Artificial Intelligence Trigger Nuclear War or Save Us From Ever Experiencing It?
lenrosen4
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May 30, 2018
0
Climate Change Science
What’s the Difference Between 2 and 1.5 Celsius? $30 Trillion in Savings with the Latter
lenrosen4
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May 26, 2018
0
Cities
Two American Cities Tackle Rising Sea Levels
lenrosen4
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May 22, 2018
2
Energy/Industry
Saskatchewan to Build First Canadian Geothermal Clean Energy Power Plant
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May 19, 2018
0
Climate Change Science
Ozone-Destroying Chemical Reappears – Someone is Cheating
lenrosen4
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May 16, 2018
0
Climate Change Science
The New Position of the United States Federal Government on Anthropogenic CO2
lenrosen4
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May 11, 2018
0
Electric Vehicles
A Hiatus from Blogging – A Week in Aruba Where the Wind Always Blows and the Sun Never Quits
lenrosen4
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May 7, 2018
0
Energy Conservation Technology
Fossil Fuel Industry Dilemmas – Part 2: When Will We Hit a Time When Pumping Oil Will No Longer Be Worthwhile?
lenrosen4
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April 26, 2018
0
Energy/Industry
Fossil Fuel Industry Dilemmas – Part 1: Pipeline Battles
lenrosen4
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April 18, 2018
0
Environment
Can Artisanal Mining in Developing World Countries Help to Raise All Boats?
lenrosen4
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April 17, 2018
0
Nations
NASA Lays Out International Space Station Transition Plan
lenrosen4
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April 14, 2018
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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
November 11, 2024
