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How Trees Improve Air Quality, Mental Health And The Environment05:21
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In this aerial view a small forest of pine and birch trees stands on August 17, 2021 near Hofn, Iceland.   (Sean Gallup/Getty Images)
In this aerial view a small forest of pine and birch trees stands on August 17, 2021 near Hofn, Iceland. (Sean Gallup/Getty Images)

Trees not only help slow the effects of climate change but also help clean and cool the air around them.

WBUR's Martha Bebinger explains the many benefits of sugar maples.

This segment aired on September 17, 2021.

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