Upset with adults for not taking the climate crisis seriously and inspired by the youth climate strikes around the globe, students in Arizona found a way to get adults to listen. In 2019, they founded ...

Nearly a decade ago, the world rallied around the Paris Agreement on climate change and the goal of holding global temperature rise to 1.5 degrees C (2.7 degrees F). Since then, the “1.5C goal” has ...

1. Proper sizing Sidewalks are made of up three zones: the free zone, where people actually walk; the service zone, where street furniture like benches or trashcans are located; and the transition ...

WRI’s The 8 Principles of Sidewalks, now available in English, makes the case for shifting back to pedestrian-friendly streets. More people walking means fewer people depending on motor vehicles to ...

The logic is simple: the more people in the streets, the safer they become. Their “eyes on the street” provide informal surveillance of the urban environment. For residents to move safely through the ...

Cities that embrace car-free days regularly show this is not the case. During Bogotá’s Ciclovía, major roads are closed to most cars on Sundays and public holidays, allowing cyclists, pedestrians and ...

The world’s great public transit systems: Tokyo’s Metro, London’s Tube, Hong Kong’s MTR…and Mexico City’s bus rapid transit corridors? Trains are often seen as the pinnacle of modern urban transport ...

Public areas shape community ties in neighborhoods. They are places of encounter and can facilitate political mobilization, stimulate actions and help prevent crime. They are environments for ...

Cities in Africa are in something of a quandary when it comes to COVID-19. To date, the impact of the disease has been much less than most experts predicted. As of this writing, the continent has had ...

How we plan our cities has always been a reflection of prevailing cultural and technological trends and even major crises. The cholera epidemics in the 19 th century sparked the introduction of modern ...

Addis Ababa's Bole Road has been a critical site for improvements to safety, accessibility and efficiency. Photo by Jiregna Hirpa In Addis Ababa, road traffic crashes kill more than 400 people every ...

A reverse effect to traffic generation is the phenomenon of “traffic evaporation”: traffic that disappears when road space is reallocated from private vehicles to more sustainable modes of transport ...