Trees and bushes planted near highways do more than improve the scenery. A new Georgia State University study finds they significantly reduce air pollution caused by motor vehicles, which has been linked to a host of illnesses
Sound pollution! It was assumed trees couldn’t process air fast enough to matter where you put them in relation to air pollution. But trees have proven to be some of the cheapest and most effective sound barriers, especially since people tend to like them better than the big concrete walls we were putting up in the 90s. They also help with erosion control thanks to their root systems
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