John Metcalfe

John Metcalfe is CityLab's Bay Area bureau chief, based in Oakland. His coverage focuses on climate change and the science of cities.

The Tribute in Light illuminates the sky behind the 9/11 Memorial waterfalls and reflecting pool in New York on September 10th, 2014.
Environment

Bright Lights, Dead Birds

A new study investigates the effects that well-lit structures have on migratory birds.