NO2 Emissions in Can Undo Some Benefits of City Trees, Study Finds

A chemical reaction involving emissions from cars and buildings can negate their environmental benefits. New research shows what big cities can do about it. https://static01.nyt.com/images/2024/09/15/multimedia/15CLI-NYC-trees-air-tchj/15CLI-NYC-trees-air-tchj-mediumSquareAt3X.jpg