Two electric cars plugged in at a charging station in Norway. Photo: martin berry/Alamy Electric vehicle (EV) sales have been ...

Women work with tree seedlings in a greenhouse near Dire Dawa. Photo: Nuun Studio/SUNCASA An ambitious reforestation program ...

Solar panels line a road in Delhi. Since 2015, solar and wind’s share of total electricity generation has tripled. Photo: ...

A woman scrolls on her phone on a car-free street in Bordeaux, France. Photo: Noelephants Flying/Unsplash 2025 tested cities ...

Oslo’s City Ring Road after multimodal safety improvements. Photo courtesy of City of Oslo, Norway In 2015, the City of Oslo, Norway, made a commitment after years of rising transportation injuries to ...

Nossa Cidade (“Our City”), from TheCityFix Brasil, explores critical questions for building more sustainable cities. Every month features a new theme. Leaning on the expertise of researchers and ...

This series, supported by the Volvo Research and Educational Foundations, discusses walking and cycling in cities with a special focus on low- and middle-income countries. Many cities have streets ...

Our impressions of a city are formed mainly by the quality of public spaces. If they are not pleasant and preserved, or if they transmit a sense of insecurity, we will seldom return. Good planning of ...

A street view of Mexico City. CityMetrics’ data shows that proximity to open spaces is lower for Mexico City’s children (53.2%) compared to the population as a whole (55.4%). Photo: Irving ...

Play is not frivolous. Through play, children discover and make sense of the world, bond with family, peers and nature, learn to appreciate art, culture and traditions, and build skills for life. Play ...

Walking is the oldest, most democratic way to get around. But as urban areas have become more sprawled, walking has slowly been suffocated by other modes of transport that are less healthy for both ...

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 ...