This is because future arid cities will remain water - limited due to the lack of permeable surfaces in cities, while their rural neighbors are projected to be no longer «dry» due to higher rainfall. (sciencedaily.com)
Completed in 2010, upgrades to the parking area and overlook include improved visitor accessibility, re-paving and configuration of the parking lot, and the addition of permeable surfaces with native plantings for improved drainage and water recycling. (parksconservancy.org)
Friends of the Urban Forest will create permeable surfaces through the installation of sidewalk gardens and planting trees along public rights - of - way throughout the city. (sfenvironment.org)