In Kolkata, India, electric buses and bicycles share the road. The city aims to deploy 2,000 electric buses by the end of 2025. Photo: papai/Shutterstock Imagine living in a country where everyone has ...

In densely urbanized Hong Kong, transport is the second largest source of greenhouse gas emissions, at 18%. Vehicle traffic is also a major source of toxic air pollutants like NOx, volatile organic ...

Amid the COVID-19 pandemic, the ongoing epidemic of air pollution continues around the world. The problem is particularly neglected in Brazil, where air pollution kills about 51,000 people every year, ...

Rafaela Aires’s workday starts at 9:00 a.m., leading her down city streets that weave past the Atlantic shoreline and under concrete overpasses. Her collected bottles and cardboard boxes used to form ...