Known simply as "cool roofing", this process is designed to reduce the solar radiation absorbed, which in turn means less heat is transferred inside the building. Cool roofs also emit away some ...

Arizona State University, Phoenix, and 3M test a 'cool roof' coating at an outdoor shelter to reduce heat for the homeless.

"And in those less vulnerable neighborhoods, we should prioritize other strategies like cool roofs and green roofs." Applying the methodology to other cities may require other considerations.

"And in those less vulnerable neighborhoods, we should prioritize other strategies like cool roofs and green roofs." Applying the methodology to other cities may require other considerations.