Bogota has trained more than 500 police officers to respond to cases of gender-based violence, known as the purple patrol.

In Colombia’s capital, the ‘purple patrol’ fights sexual harassment on crowded buses

Sexual violence

Bogotá is trying to curb sexual harassment against women on public transportation systems. It’s trained more than 500 police officers as part of the purple patrol to respond to cases of gender-based violence. Female police officers also hand out leaflets with information about hotlines that women can call for assistance.

tram in Kolkata with dancers

India’s tramway turned 150. But it’s on its last legs.

People walk across the famed Shibuya scramble crossing as the sun sets behind the skyscraper, Oct. 11, 2021, in Tokyo.

A Tokyo train company moves to become net-carbon neutral

The silhouette of roseau cane during a sunset on the Louisiana coast.

In a hungry little insect, a big threat to Louisiana’s coast

Tesla's new semi truck.

Is the semitruck of the future electric?

A bus in London.

Coffee-enhanced fuel set to power London buses


Coffee waste could soon begin powering some of London’s buses — even the iconic double-deckers.

Stockholm's highly-efficient subway system. Trains are known for running frequently and on time. They have large ridership but are not overly crowded because of the frequency of the trains.

US transportation is so far behind Sweden’s it’s not even funny


America is literally falling apart.

More than 30,000 people traveled to the UN's COP21 climate summit in Paris last month from aroudn the world. The UN set up a website where attendees could offset the carbon footprint of their travel.

People who traveled to the Paris climate summit can offset their carbon emissions — but it isn’t easy


The UN set up a system for people attending last month’s landmark climate summit in Paris to offset the carbon footprint of their travel to the meeting.

Masahiko Kakutani is now the main grower or farmer behind ‘Tokyo Salad,’ the Tokyo Metro’s new farming enterprise, which is housed underneath the Tozai Line.

If you run out of space for farming, look to the subway


When you think of farming, what typically comes to mind is rolling pastures and open skies. But in Tokyo, you can think subway tracks and grow lights. The transit authority has opened a farm.

still from "Shinjuku"

Commuters rush; this video artist lingers. The results are fascinating.


Adam Magyar’s video series, Stainless, captures the minute details of a commute in some of the world’s busiest cities. Those moments, those insights, have made the video a viral sensation.