City streets were built to accommodate cars, but the COVID-19 pandemic has scrambled our transport needs. Many cities are moving to make streets more people-friendly and less car-centric.

After trying to remove street vendors from its cities for years, China is supporting them to help jump-start its economy. An urban scholar explains why other cities should do the same.

There's growing interest in making the US food system more resilient and flexible, but soil – the origin of nearly everything we eat – is often left out of the picture.