Pine trees one of biggest contributors to air pollution: Pine gases chemically transformed by free radicals

Pine trees are one of the biggest contributors to air pollution. They give off gases that react with airborne chemicals creating tiny, invisible particles that muddy the air. Scientists have shown that particles formed by pine trees are much more dynamic than previously thought. The findings can help make climate and air quality prediction models more accurate, and inform regulatory agencies as they consider strategies for improving air quality.

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