How cities around the world are finding ways to beat extreme heat

Since 1925, the headquarters of the U.S. Chamber of Commerce has sat squarely across from the White House, a formidable beaux arts edifice designed to reflect the power and unity of American business interests. From the outside, there is nothing to suggest what’s going on within: that the biggest business association in the world may be beginning, ever so slightly, to crumble.In recent years, some