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
Land Use
Cities
Cities
Cities
The Present And Future Internet of Things For Sustainable Construction
lenrosen4
-
September 5, 2024
Cities
Shock Therapy Proposed By Northwestern University To Shore Up Shorelines
lenrosen4
-
August 31, 2024
Cities
Toronto Could Use An Astra Bridge
lenrosen4
-
May 15, 2024
Cities
Building Net-Zero Urban Centres Not Easy as Evidenced by the Story of Masdar City
lenrosen4
-
December 6, 2023
Cities
What Happens When Your City’s Water Supply is Compromised?
lenrosen4
-
October 23, 2023
Artificial Intelligence
A Small Ontario City to be Testing Grounds for Autonomous Vehicle Systems
lenrosen4
-
November 9, 2017
0
Cities
COP23 Meets in Bonn After U.S. Releases National Climate Assessment and Army Corps Proposes $1.8 Billion to Keep Norfolk from Disappearing
lenrosen4
-
November 6, 2017
0
Cities
Cities Lead Way: 12 C40 Members to Buy Zero Emission Buses while Toronto-Alphabet Collaboration to Build Quayside
lenrosen4
-
October 23, 2017
0
Cities
Australia’s Independent Climate Council Ramps Up Cities Power Partnership to Tackle Carbon Emissions
lenrosen4
-
September 14, 2017
0
Cities
The Importance of Wetlands in a World of Rising Seas
lenrosen4
-
September 11, 2017
0
Cities
GreenCity Solutions Wants to Make City Air Cleaner and Easier to Breathe
lenrosen4
-
August 4, 2017
0
Cities
Union of Concerned Scientists Try to Calculate Cost of One Meter Sea Level Rise
lenrosen4
-
July 23, 2017
0
Agriculture
Urban Farming the New Model for Grocery Stores, Reducing Our Carbon Footprint, and Feeding Cities
lenrosen4
-
July 3, 2017
0
Artificial Intelligence
Gizmos & Gadgets: New AI Tool Mines Satellite and Aerial Images With Surprising Results
lenrosen4
-
July 2, 2017
0
Agriculture
Mission 2020 – A Three-Year Project to Tackle CO2 and Other Greenhouse Gas Emissions
lenrosen4
-
June 30, 2017
0
Cities
Gizmos & Gadgets: Cable-Free Elevator is Now a Reality
lenrosen4
-
June 29, 2017
0
Cities
What Technology Can We Bring to Bear to Help in a High Rise Apartment Fire?
lenrosen4
-
June 20, 2017
0
1
...
7
8
9
...
22
Page 8 of 22
Most Read
Governments Spending $7 Trillion Annually To Subsidize Fossil Fuels
November 15, 2024
Putting Fluoride In Community Water Supplies Is Being Questioned
November 13, 2024
Once Again Global Action To Mitigate Climate Change Is At Risk
November 12, 2024
Canada Celebrates The End Of War Each November 11th
November 11, 2024
