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a test of roadside treelines cut particulates in half

roadside treelines can cut particulates in half

doc-titleImpact of Roadside Tree Lines on Indoor Concentrations of Traffic-Derived Particulate Matter
quoteHere, we ... measure changes in PM10 concentrations inside a row of roadside houses, after temporarily installing a curbside line of young birch trees. Independently, the two approaches identify >50% reductions in measured PM levels inside those houses screened by the temporary tree line.
sourceBarbara A. Maher and Imad A. M. Ahmed of Lancaster University