When a single tree makes a difference

Individual trees in urban areas provide cooling during evening, research shows.

A single tree along a city street or in a backyard can provide measurable cooling benefits, according to a new study from American University. The research shows that "distributed" trees, those that are stand-alone and scattered throughout urban neighborhoods, can help to reduce evening heat. The research suggests that planting individual trees can be a strategy to mitigate urban heat, particularly in areas where land for parks can be scarce.

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