How do other cities deal with extreme heat?

AUSTIN (KXAN) -- While Wednesday marked the official start of summer, June 1 commemorated the meteorological start of the summer season -- and the latest sweltering heat wave in Central Texas has reaffirmed it.How do other cities navigate extreme heat conditions?Phoenix, Arizona
Phoenix consistently experiences some of the hottest temperatures nationally. Home to more than 1.6 million people, the city regularly experiences daily or near-daily triple-digit temperatures from late May through the m