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Pollution
Chemicals
Water runs off of grass very rapidly and into sewage systems and runoff basin. Thus, the chemicals that are applied to many lawns, including fertilizers, herbicides, and pesticides, are often transmitted directly from the lawn into a city's water system, often resulting in the contamination of local creeks and rivers.
Emissions
Lawn mower engines produce different pollutants that are harmful to the environment, such as polycyclic aromatic hydrocarbons (PAH's), ozone precursers, and carbon monoxide. An EPA study has shown that 9% of certain air pollutants nationwide come from lawn equipment engines.4
Maintenance
Cost
Ecology
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