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21st Century Tech Blog
AI
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Oceans
XPrize Launches Desalination $119 Million, 5-Year Competition
lenrosen4
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March 2, 2024
Water
Globally Groundwater is Vanishing From Human Over Exploitation
lenrosen4
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February 1, 2024
Space
Mars Express Finds an Ice Field That Could Fill Earth’s Red Sea
lenrosen4
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January 19, 2024
Water
A Desalination Device That Makes Turning Seawater Into Fresh Cheaper Than Using Water From The Tap
lenrosen4
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December 11, 2023
Environment
It is Raining Plastic as Human Consumption Catches up With the Environment and Us
lenrosen4
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October 12, 2023
Cities
Climate Change Update: Is Nigeria in Other Nations’ Futures?
lenrosen4
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August 4, 2012
0
Agriculture
Agriculture Update: New GM Crop Yield Project, Climate Change Impact on Andes Agriculture, Aquaculture in Malaysia and More
lenrosen4
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July 23, 2012
4
Environment
Our Space Future in the 21st Century – Part 2: Establishing Way Stations in Deep Space
lenrosen4
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July 11, 2012
0
Energy/Industry
Materials Update: The Graphite Revolution
lenrosen4
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July 5, 2012
0
Agriculture
Headlines at 21st Century Tech for June 29, 2012
lenrosen4
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June 29, 2012
0
Agriculture
Rio+20: A Report Card On How We Are Doing So Far?
lenrosen4
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June 21, 2012
0
Robots & Robotics
Space and Humanity in the 21st Century – Part 2: Orbiters, Rovers and Landers on Mars….Continued
lenrosen4
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May 9, 2012
0
Biomedicine
Climate Change Update – Insect-Borne Diseases Spreading as Our Atmosphere Heats Up
lenrosen4
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April 4, 2012
0
Agriculture
Urban Landscapes and Agriculture Update – New Technology to Assess Water Stress
lenrosen4
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March 25, 2012
1
Cities
Urban Landscapes Update – Seattle Building Designed to be Autonomous and Green for 250 Years
lenrosen4
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March 21, 2012
1
Agriculture
Urban Landscapes in the 21st Century – Part 6: The Evolution of Cities
lenrosen4
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March 13, 2012
0
Agriculture
Identifying the Problems of the 21st Century – A Commentary on James Martin’s 16 Challenges
lenrosen4
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March 9, 2012
2
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