Heat waves cause more illness and death in U.S. cities with fewer trees
People of color shoulder the most burden, a new study finds
![trees creating shade in New York City](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2024/04/040524_jc_urban-tree-heat_feat.jpg?fit=1030%2C580&ssl=1)
Increasing tree canopy cover by even five percent could reduce heat-related health problems, particularly if the trees cast shade over pavement as they do on this street in New York City.
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