From chief heat officers to circular communities, cities are constantly serving as laboratories for bold new models. Here are a few favorites from the past year.

The world can feel bleak, with gridlock in Washington and global climate talks that are often just that—talk. But if you zoom in a little deeper, there’s incredible work being done at the local level. From biking and transit to housing and sustainability, cities around the world are experimenting with pilots and rolling out new...

Continue Reading 16 bold urban ideas that the rest of the world’s cities should copy