urban tree canopy

    URBAN TREE CANOPY INTERCEPTS RAINWATER: What does a community named Tree City USA for 25 years running, brimming with 13,000 trees need?

    “Walla Walla City Council has agreed to tap into the city’s stormwater utility fund — following a trend set by a number of Pacific Northwest communities — to pay for upkeep of street trees and other ‘green infrastructure,.” wrote Dian Ver Valen. “The ordinance makes the city’s urban forest and green infrastructure, including dozens of green basins and swales that work as bio-filters for stormwater throughout the city, an official part of the stormwater system.”

    Read Article