Should urban trees be treated as decoration or infrastructure?
01Urban trees are often praised for beauty, but their practical effects are measurable. Shade lowers surface temperatures, roots slow storm water, and leaves filter some airborne particles.
02Benefits are uneven, however. Young trees need years of care, roots can damage poorly planned pavements, and greener districts are not always the hottest ones. Planting policy must therefore combine environmental evidence with local need.
city infrastructure
airborne particles
benefits are uneven
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Shade lowers surface temperatures, roots slow storm water, and leaves filter some _____ particles.
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knowledge / local / with / evidence / combine / must / Policy