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21st Century Tech Blog
AI
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Home
Business/Government
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Politics and Technology
Nations
Trump’s Pitch for Greenland and Canada Is Not Unprecedented When You Look At Colonialism
lenrosen4
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January 17, 2025
Business/Government
President Biden’s Farewell Address Warns About A Rising Oligarchy of Techno-Billionaires
lenrosen4
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January 16, 2025
Environment
Climate News On The Eve Of Denier Trump Taking Office
lenrosen4
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January 10, 2025
Politics and Technology
The New Social Media Norm is Anarchy
lenrosen4
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January 9, 2025
Environment
Korea Has a Carbon-Neutral Point System For People To Earn Cash For Making Green Lifestyle Choices
lenrosen4
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December 31, 2024
Agriculture
Headlines: IBM’s “Project Lucy” Focuses Watson on Africa’s Challenges
lenrosen4
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February 12, 2014
3
Agriculture
Agriculture Update: The Economic Impact on Farmland by Climate Change
lenrosen4
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January 21, 2014
0
Politics and Technology
Space Update: International Space Station is All Systems Go for the Next 10 Years
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January 10, 2014
0
Oceans
Headlines: Sharks Sign Up for Twitter in Western Australia
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January 3, 2014
0
Cities
Is New York City the Only One Preparing for the Consequences of Climate Change?
lenrosen4
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December 27, 2013
1
Cities
Would a Smart Grid Have Helped in Toronto’s Ice Storm?
lenrosen4
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December 26, 2013
0
Climate Change Science
Tackling Climate Change Incrementally
lenrosen4
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December 16, 2013
1
Nations
Headlines: China Successfully Lands Robot and Rover on the Moon
lenrosen4
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December 14, 2013
0
Energy/Industry
Headlines: Witness a Fool’s Errand – Canada’s Claim to the North Pole Seabed
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December 13, 2013
0
Climate Change Science
EGO versus ECO, Happiness versus Growth: Changing the Human Paradigm
lenrosen4
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December 12, 2013
0
Climate Change Science
Climate Change and Its Impact on our World’s Rivers – Africa – Part Two
lenrosen4
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December 9, 2013
0
Energy/Industry
Headlines: Bloomberg Launches Carbon Risk Valuation Tool
lenrosen4
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December 8, 2013
0
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