Big trees protect cities from getting too hot by cooling the environment through shade and evaporation. Without trees, urban areas experience what's called a heat island effect, with streets and buildings retaining heat and forcing people to use extra power to cool their homes.
[header] How to save trees [title] Learn how trees affect your home. [step] Aside from desert regions, most areas benefit from having plenty of large, shady trees in every neighborhood. They improve air quality, reduce erosion and absorb noise.