White or reflective roofs significantly reduce temperatures. Atlanta is the latest city to mandate their adoption.

A narrower cool-roof ordinance, which applied only to new roofs on commercial buildings 25,000 square feet or larger, ultimately passed three years later, despite more opposition from the industry.

A cool roof can stay 50 degrees cooler than a conventional roof on a hot day and reduce peak cooling demand up to 27% in air-conditioned homes, according to the federal government.

The Atlanta City Council recently unanimously passed a "smart surfaces" policy requiring new and replacement roofs to meet high solar reflectance standards-- meaning they have to be built with ...

Boston University researchers found that planting about 2,500 trees and installing 3,000 “cool roofs” could bring relief to ...

A new Tennessee law repeals requirements for ‘cool’ roofs. Critics say it will lead to hotter temperatures in cities Low-sloped roofs for commercial and multi-family buildings will no longer ...

A narrower cool-roof ordinance, which applied only to new roofs on commercial buildings 25,000 square feet or larger, ultimately passed three years later, despite more opposition from the industry.