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21st Century Tech Blog
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Politics and Technology
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
Energy/Industry
Ask Voters What’s Most Important To Them And Climate Change Seldom Gets Mentioned
lenrosen4
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September 20, 2024
Politics and Technology
The United Kingdom’s Government Research Arm Is Developing An Early Warning Climate Tipping Point System
lenrosen4
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September 15, 2024
Energy/Industry
I am a Fanatic at Recycling and Aghast at the Latest News
lenrosen4
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December 19, 2018
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Climate Change Science
Were Geoengineering and Carbon Capture Technologies on Stage at COP24?
lenrosen4
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December 17, 2018
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Climate Change Science
So What Have The Leaders of the Planet Agreed to do About Climate Change After Katowice?
lenrosen4
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December 16, 2018
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Artificial Intelligence
The Arrival of 5G Networks: The Good, The Bad, and the Ugly
lenrosen4
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December 13, 2018
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Artificial Intelligence
Rethinking The Automobile Industry in the Age of Disruption
lenrosen4
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December 9, 2018
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Artificial Intelligence
Space is Getting Crowded as New Commercial Companies and National Players Enter the Scene
lenrosen4
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December 7, 2018
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Climate Change Science
From Mitigation to Geoengineering to Adaptation: What Happens When Our Efforts to Combat Climate Change Fail?
lenrosen4
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December 6, 2018
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Artificial Intelligence
The Fear of AI-Controlled and Other New Weapons Technology Leads Germany to Call for Global Disarmament
lenrosen4
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December 1, 2018
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Education
The Future of the News in the Age of Web 3.0
lenrosen4
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November 29, 2018
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Automobiles
Technology Disruption in the 21st Century Isn’t Like Climate Change – It Happens Suddenly
lenrosen4
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November 27, 2018
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Climate Change Science
The United States Issues its Fourth National Climate Assessment But No One in the White House is Listening
lenrosen4
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November 24, 2018
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Agriculture
Is a Zero-Carbon Economy Feasible?
lenrosen4
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November 23, 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
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Using Artificial Intelligence With CRISPR Is Producing New DNA Sequences
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