Lawns do an excellent job of capturing water runoff and lessening dust and particulate matter pollution, versus alternatives such as hard surfaces, mulched areas and impervious or bare surfaces.
According to a Council for Agricultural Science and Technology (CAST) 2006 Publication, turfgrass not only decreases dust emissions, but for controlling soil erosion, a live, functioning grass cover, including urban lawns, is a cost-effective option, since a grass root system is one of the most effective in soil stabilization because of the fibrous, dense character of its roots.
