Trees clean the air. Tree foliage works as a natural air filter of particulate matter such as dust, micro sized metals and pollutants such as ozone, nitrogen oxides, ammonia, and sulfur dioxides. Trees take in carbon dioxide and produce oxygen. Combined with the cooling effect of trees, these processes can have a significant impact on reducing smog and overall air pollution.
Trees improve water quality. A healthy urban forest can have a strong influence on our region's water quality. Trees canopies and root systems slow and reduce storm water run off, flooding, and erosion. Trees also help filter water run off reducing potential sources of water pollution into our rivers and storm drains.
Trees save energy. Trees cool the air naturally in two ways: through water evaporating from the leaves and direct shade. Homes shaded by trees need less energy for cooling which means lower monthly utility bills in summer and a reduced need for utilities to increase power generation to meet peak load demand.
Trees raise real estate value. Shaded neighborhoods and well-landscaped yards have a positive economic influence on real estate values, timeliness of house sales and neighborhood desirability. Studies report that landscaping speeds the sale of a home by four to six weeks.
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