More trees means healthier bees, new study on air pollution shows

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Mongabay

Human-caused air pollution in Brazil’s São Paulo state is taking its toll on native bees, but the presence of plants can help ameliorate those effects, a new study shows. Researchers from the University of São Paulo (USP) and São Paulo State University (UNESP) studied jataí bees (Tetragonisca angustula) as bioindicators of environmental quality — proverbial canaries in the coal mine — to confirm a direct relationship between the amount of vegetation and air pollution. Plants act as a filter and a protective barrier, and the larger the green area in a given region, the lower the levels of pollu…

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