According to the study, homeowners with street trees, and those living in older homes, are more likely to participate in the local program. Homeowners who had owned their homes for longer, and those who live in census-block groups with lower high-school graduation rates, are less likely to participate in the program.
Donovan, G. H. & Mills, J. (2014). Environmental justice and factors that influence participation in tree planting programs in Portland, Oregon. Arboriculture & Urban Forestry, 40 (2), 70–77.View Resource