Dreaming of what’s possible in the Big Apple.

Members of the now-disbanded 100 Resilient Cities initiative are back, with a new network dedicated to championing urban initiatives meant to combat the effects of climate change.

In a "race to the top," more cities are gaining unprecedented insights toward cleaning up air quality.

Cities can ally with one another to overcome shared barriers.

A new study shows historically redlined neighborhoods are way hotter than other neighborhoods.

Even with relatively conservative assumptions, the math yields a clear and compelling answer: investing in climate action today would be a lot cheaper than the effects of unmitigated warming.

Spending on America’s gas systems has grown dramatically in recent years. But that might not be the way to go.

All forms of mobility must grapple with the same market pressures — competitive economic models, ownership and sourcing of data, and cities' public policy goals.

How do cities make sure AVs achieve the “heaven” rather than the “hell” scenario?