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21st Century Tech Blog
Science, Technology and the Future
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Waste Management
Waste Management
Cities
Urban Management In The 21st Century Requires “Smart City” Solutions
lenrosen4
-
April 9, 2025
Waste Management
From Trash to Treasure: Revolutionizing Waste Management
lenrosen4
-
January 25, 2025
Manufacturing
What’s Holding Back Aluminum Recycling?
lenrosen4
-
December 28, 2024
Food
The Food Waste Path To Sustainability And Lower Carbon Emissions
lenrosen4
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August 19, 2024
Environment
Plastic Everywhere and What It Means to Humans and Life on the Planet
lenrosen4
-
March 31, 2024
Environment
The Irrational Adoption of Disposable Items in the Name of Infection Prevention is Harmful, Unsustainable, and Unacceptable
lenrosen4
-
October 3, 2023
0
Energy/Industry
New Battery Recycling Startups Are Going Hand-in-Hand With Growing EV Adoption
lenrosen4
-
March 24, 2023
1
Material Science
Can Plastic Waste Go Away?
lenrosen4
-
March 22, 2023
0
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Science Without The Humanities In College Is Poor Education
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