Photo of the Day

Picture of a green roof in New York City at night

January 28, 2022 | Green Roof

A story in the May 2009 issue documented the worldwide phenomenon of green roofs, demonstrated here by a roof in New York City. Green roofs absorb rainfall, reduce runoff, and lower summer temperatures on the roof.
Photograph by Diane Cook and Len Jenshel, Nat Geo Image Collection