Aerial view of Downtown Los Angeles

tree hugging

To reduce pollution pockets, Los Angeles is using A.I. from Google



Walking under tree shade is not only good for the soul, it's good for the environment too.

Rafael_Wiedenmeier/iStock Unreleased/Getty Images

Trees play a critical role as carbon recyclers and oxygen providers. But in dense cities, tree canopy can be scarce. And where trees are most scarce, "heat islands" often form.