Surrounding cities with trees may bring down urban heat

Belts of trees and large lakes suck cooler air that reduces urban heat island effect by 0.5C, scientists sayA reduction in temperature of 0.5C may not sound much but with cities getting hotter as the climate warms it could save the lives of elderly people and young children.The urban heat island effect, which raises temperatures in cities by 2-3C because the sun's rays are absorbed by roads, roofs and other hard surfaces, is already making life uncomfortable for millions worldwide and causing an increasing number of deaths. Continue reading...