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21st Century Tech Blog
Science, Technology and the Future
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Water
Growing Freshwater Scarcity From Disruptive Climate Change Leads to Aerial Water Harvesting Invention
lenrosen4
-
December 22, 2024
Climate Change Science
Is Global Warming Causing Groundwater Sources To Shrink?
lenrosen4
-
November 18, 2024
MEDICAL
Putting Fluoride In Community Water Supplies Is Being Questioned
lenrosen4
-
November 13, 2024
Environment
The Growing Problem of Forever Chemicals in Our Air, Water, and Soil
lenrosen4
-
June 9, 2024
Environment
Shrinking Fish Size A Sign Of A Stressed Environment
lenrosen4
-
May 20, 2024
Environment
Industrial Manufacturing Update: Ford Adopts Aggressive Water Management Strategy
lenrosen4
-
July 13, 2013
6
Energy/Industry
Energy Update: Desertec Foundation Walks Away from Solar and Wind Project Consortium
lenrosen4
-
July 8, 2013
0
Curing Illness
Gizmos & Gadgets: Inexpensive Nano Water Filter Could Save Hundreds of Thousands Every Year
lenrosen4
-
June 10, 2013
1
Gadgets
Gizmos & Gadgets: Meet the GiraDora, A Low Tech Washer and Dryer
lenrosen4
-
May 12, 2013
9
Environment
Gizmos & Gadgets: DewBank Harvests Water from Desert Mists
lenrosen4
-
May 6, 2013
1
Environment
Gizmos & Gadgets: Nano-tablet Purifies Water
lenrosen4
-
March 18, 2013
1
Agriculture
Environment Update: Nitrogen Pollution as Problematic as CO2
lenrosen4
-
March 4, 2013
0
Energy/Industry
Headlines at 21st Century Tech for February 8, 2013
lenrosen4
-
February 8, 2013
0
Agriculture
Climate Change Update: Three Environmental Challenges, Four Headlines
lenrosen4
-
December 18, 2012
1
Biomass
Gizmos & Gadgets: An Entry-Level Algae-to-Biomass Energy Harvester
lenrosen4
-
December 16, 2012
2
Agriculture
Water Update: We Look for it on Mars, Mercury, Vesta and the Moon – We Need it Here on Earth
lenrosen4
-
December 4, 2012
4
Agriculture
Climate Change Update: The Return of the Dust Bowl?
lenrosen4
-
December 1, 2012
3
1
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