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Tree Canopy

Adding more trees to your yard and street is a long-established green stormwater infrastructure technique in Seattle. The leaves and branches catch rain as it falls, slowing it down before it becomes polluted runoff. Roots help soak up water. Evergreen trees are especially valuable because their leaves work year round!


  • Improves air quality
  • Provides cool shade in summer and protects against harsh wind in winter
  • Adds beauty and green space to urban areas
  • Minimizes urban heat island effect

Looking for Tree Canopy resources?
Learn more at Trees for Seattle