The typical American's annual household carbon footprint is over five times the world per capita average.
Shared e-scooter programs may seem like a green way to get around, but these small vehicles can have big environmental footprints.
Combining big data sources about bike-share trips with anonymized data from traditional survey research can best capture who is using bike-share programs.
Africa is home to the world's fastest growing cities. However, poor governance has robbed the continent of the benefits of people and firms clustering together.
One of Uber's selling points is that a driver is always available to pick up a rider within minutes. But the drivers who make this possible aren't being compensated for the time they spend waiting.
Volunteers can contribute data to maps that help cyclists choose their routes and let planners know how city cycling can be improved.
Starting in 2021, drivers will pay a fee to enter midtown and lower Manhattan during busy times of day. Will this clear New York's air and streets?
Rail advocates often make the case that trains are a cleaner mode of transportation, but why is that so? And what would it take to expand rail in the U.S.?
Boeing's response to the crisis over its 737 Max planes has made the company seem defensive and passive. A crisis management expert explains how Boeing could reclaim the narrative.
Whether to attending a conferences or giving in to a meeting, the global research community is keen on air travel. That’s a habit that needs to change.
Minorities are driving the bicycling boom, but bike infrastructure investments often neglect their needs. A new study explores what riders in low-income and minority neighborhoods want.
Rising e-commerce means more delivery trucks and urban gridlock. Lockers at transit centers, where carriers can leave packages for people who live or work nearby, are a potential solution.
A populist movement that threatened to topple a French government more than 60 years ago has important lessons for today’s protests and why they represent a reckoning.
Ensuring that everyone doesn't charge their cars simultaneously will make a big difference.
With car manufacturers closing down factories, and self-driving technologies improving and becoming more widely accepted, have we reached Peak Car?
Vehicles made before 2001 could suffer fuel system or engine damage if they're run on E15.
The spread of ride-hailing services and autonomous vehicles will lead to higher energy demand, a study finds. Electric vehicles and a much cleaner grid are the only way to avoid more emissions.
Instead of being cheaper and safer, getting an online taxi can actually be dangerous for people with disabilities where a so-called "red zone" is in force.
Many US cities are investing in bike infrastructure and shade trees. Properly located, these additions can make streets cooler, cleaner and safer for all users – even those who drive.
The Trump administration's move to freeze fuel economy standards reflects a sea change in American energy policy first born during an era of oil shortages and environmental crises.