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urban forestry alliance for community trees actrees fruit trees tree pittsburgh urban forest "actrees day" "actrees" "urban forestry" "alliance for community trees" "community trees" neighborhood planning urban wood wood reuse "advocacy" "public policy" "trees" "community tree orchards fruit and nut trees nut trees community groves "trees" "openlands" "denver" "forest threats" "invasive species" "tree threats" "trees for houston" "invasive pests" "eab" "green conference" "urban forests" "drought" "forest fires" "emerald ash borer" "city trees" "green communities" water drought treepeople partnerships forterra underserved neighborhoods trees nc paths trees atlanta the morton arboretum volunteers friends of grand rapids parks advocacy trees new york research jessica vogt youth uc green urban youth community forestry tree sale fundraising rootball greenscape of jacksonville citizen sciene casey trees friends of the urban forest tree care sacramento tree foundation urban orchards diversity parks & people foundation burney fischer