However, like trees, cool roofs come with limits. Cool roofs work better on flat roofs than sloped roofs with shingles, as flat roofs are often covered by heat-trapping rubber and are exposed to more ...

Michael Shapiro is a sports reporter for Chron, covering the Astros, Rockets, Texans and every team in town. Michael is a ...

At the top of Yosemite National Park's Vernal Fall on a recent holiday weekend, amid the throngs of tourists snapping photos ...