Facebook
Linkedin
Twitter
Sign in
Join
AI
Computers
Education
Energy/Industry
Environment
Medical
Politics
Space
Transportation
Sign in
Welcome!
Log into your account
your username
your password
Forgot your password?
Create an account
Sign up
Welcome!
Register for an account
your email
your username
A password will be e-mailed to you.
Password recovery
Recover your password
your email
Search
Sign in
Welcome! Log into your account
your username
your password
Forgot your password? Get help
Create an account
Create an account
Welcome! Register for an account
your email
your username
A password will be e-mailed to you.
Password recovery
Recover your password
your email
A password will be e-mailed to you.
21st Century Tech Blog
AI
Computers
Education
Energy/Industry
Environment
Medical
Politics
Space
Transportation
Home
Business/Government
Business/Government
Nations
Trump’s Pitch for Greenland and Canada Is Not Unprecedented When You Look At Colonialism
lenrosen4
-
January 17, 2025
Business/Government
President Biden’s Farewell Address Warns About A Rising Oligarchy of Techno-Billionaires
lenrosen4
-
January 16, 2025
Environment
Climate News On The Eve Of Denier Trump Taking Office
lenrosen4
-
January 10, 2025
Politics and Technology
The New Social Media Norm is Anarchy
lenrosen4
-
January 9, 2025
Business/Government
When Does A Narcissist Become a Megalomaniac?
lenrosen4
-
January 8, 2025
Agriculture
Hate to be a Nag About Climate Change But Here Goes
lenrosen4
-
March 12, 2014
1
Cities
Headlines: Heard of PPlanter? Is It Coming to a Street Near You?
lenrosen4
-
March 11, 2014
0
Climate Change Science
Fact Checking the Nuclear Energy File
lenrosen4
-
February 27, 2014
1
Cities
China’s Dilemma – Burn Coal or Welcome Economic Stagnation
lenrosen4
-
February 16, 2014
0
Agriculture
Headlines: IBM’s “Project Lucy” Focuses Watson on Africa’s Challenges
lenrosen4
-
February 12, 2014
3
Agriculture
Agriculture Update: The Economic Impact on Farmland by Climate Change
lenrosen4
-
January 21, 2014
0
Politics and Technology
Space Update: International Space Station is All Systems Go for the Next 10 Years
lenrosen4
-
January 10, 2014
0
Oceans
Headlines: Sharks Sign Up for Twitter in Western Australia
lenrosen4
-
January 3, 2014
0
Artificial Intelligence
Military Update: From Drones to Killer Robots
lenrosen4
-
December 28, 2013
1
Cities
Is New York City the Only One Preparing for the Consequences of Climate Change?
lenrosen4
-
December 27, 2013
1
Cities
Would a Smart Grid Have Helped in Toronto’s Ice Storm?
lenrosen4
-
December 26, 2013
0
Climate Change Science
Tackling Climate Change Incrementally
lenrosen4
-
December 16, 2013
1
1
...
85
86
87
...
93
Page 86 of 93
Most Read
NASA, Artemis, and Mars Timelines – Part 2: Addressing Remaining Challenges
January 21, 2025
NASA, Artemis, and Mars Timelines – Part 1: Something Is Amiss
January 20, 2025
Solar Energy Technology Is Going “Perovskite”
January 18, 2025
Trump’s Pitch for Greenland and Canada Is Not Unprecedented When You Look At Colonialism
January 17, 2025