Our bodies, buildings, and computers give off a lot of waste heat. Cities and scientists are learning to harness it for energy.

Tech Insider

One Planet Banner Test

Insider

The wild traffic hack that could pave the way for self-driving cars

Tech Insider : Travel
Traffic Lights with four lights
Autonomous vehicles are stupid — so an engineer has figured out a way to make streets smarter.

Arif Qazi / Insider

Why Paris is one of the few cities in the world banning rental e-scooters

Tech Insider : Economy, Politics
Tourists ride an electric scooter Lime-S from the bike sharing service company 'Lime' on October 09, 2018 in Paris, France.
Riders on an electric scooter from the bike sharing service company Lime on October 9, 2018 in Paris, France.

Chesnot/Getty Images

Here are the 9 North American cities with the best public transit systems

Tech Insider
New York City commute subway
The 7 train in New York City.

oneinchpunch/Shutterstock

The 10 best US cities for job opportunities and earning potential in 2023

Tech Insider : Economy
The Nashville skyline.
Nashville, Tennessee ranks highest as the US city with the most job opportunities and highest earning potential in 2023, according to a Checkr study.

Malcolm MacGregor/Getty Images

Properties in Austin have skyrocketed in value over the last 25 years. Here are the top 10 US areas where house prices have grown.

Tech Insider
Austin, Texas
Texas dominated the list, with five of the top spots taken by metro areas in the state.

benedek/Getty Images

Conservatives scoff at Trump's 'leftist plan' to build 10 new American cities featuring flying cars

Tech Insider : Economy, Politics
Former U.S. President Donald Trump speaks to reporters before his speech at the annual Conservative Political Action Conference (CPAC) at Gaylord National Resort & Convention Center on March 4, 2023 in National Harbor, Maryland.
Former U.S.

These are the top 10 cities where the super-rich own property — and half of them are in the US

Tech Insider : Economy
A New York City apartment complex.
A New York City apartment complex. The city was top of Altrata's list.

Getty Images

Donald Trump proposes 10 new 'Freedom Cities' featuring futuristic flying cars in a new campaign video

Tech Insider : Politics
Trump
Former President Donald Trump speaks at a campaign event at the South Carolina State House in Columbia, S.C., on January 28, 2023.

AP Photo/Alex Brandon

Forget the 'death of downtowns' — we're about to experience the Big City Renaissance

Tech Insider : Economy, Politics
Illustration of a figure in profile filled with a vibrantly colored city and light beams emanating from a window, surrounded by grey smoke
City downtowns aren't doomed — the rise of remote work is about to spark the Big City Renaissance.

Daniel Zender for Insider

America's great cities are in a precarious spot.

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