Public Transportation

If you have access to it, public transportation is an important step in greening your life, because it cuts down on your environmental impact. Mass transit options transport larger numbers of people in a smaller, more efficient manner than solitary commuting by personal vehicle. Many cities have great bus and rail transport systems for the residents' convenience and decreased carbon footprint. (Photo: Flickr)

Tokyo Metro offers free noodles to help thin out rush hour crowds

Air in the London Underground is far more polluted than beside busy city roads

Elon Musk previews his not-so-Boring tunnel

Luxembourg is making public transit free to all

In Istanbul, your recyclables can reduce your subway fare

This French city is largest in Europe to offer free public transportation for all

10 of the strangest public transit systems

Polluted German cities eye free public transit

Did Minneapolis just host the most public transit-dependent game in Super Bowl history?

Japanese trains save deer with sound effects

Why airports are embracing renewable energy

Check out this subway-inspired map of America's rivers