'We need more shade': how US's hottest city is cooling its least protected community

Phoenix broke several heat records last year. Now Grant Park, which has inequitable tree cover, is seeing a tree planting drive that promises some respite from 100F temperaturesIt was a relatively cool spring day in Phoenix, Arizona, as a tree planting crew dug large holes in one of the desert city's hottest and least shaded neighborhoods.Still, it was sweaty backbreaking work as they carefully positioned, watered and staked a 10-ft tall Blue palo verde and Chilean mesquite in opposite corners of resident Ana Cordoba's dusty unshaded backyard. Continue reading...