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Tree Resources


  • Friends of Tryon Creek: Works in partnership with Oregon State Parks to maintain its infrastructure and native flora, fauna, and watershed.
  • Lake Oswego Sustainability Network: Promotes an economically, ecologically, socially healthy community. Connects people who have a passion for building a bright future for our children so that they may support and inspire each others’ efforts.
  • Portland Audubon Society: Protects birds and the places they need using science, advocacy, education and on the ground conservation.
  • Center for Sustainable Economy: 26-year old environmental and economics think tank that advances solutions that protect and restore the diversity of life.
  • Columbia Land Trust: Conserve and care for land, water, and wildlife.
  • Environmental Defense Fund: Preserve the natural systems on which all life depends. We are guided by science and economics to find practical and lasting solutions to the most serious environmental problems.
  • Nature Conservancy: Conserving freshwater systems and marine habitats on which all life depends.
  • Oregon Wild: Works to protect and restore our wildlands, wildlife and waters as an enduring legacy for future generations.
  • OSPIRG: Using time tested tools of investigative research, media, exposes, grassroots organizing, advocacy and litigation to stand up to powerful interests and deliver concrete results, for Oregonians.
  • USPIRG: The same on a national level.


  • Richard Powers, The Overstory (2018)
  • Chandra LeGue, Forest Defense is Climate Defense (2018)
  • Danu Forest, Celtic Tree Magic (2017)
  • Little, National Audubon Society Field Guide to North American Trees, Western Region
  • Chandra LeGue, Oregon’s Ancient Forests: A Hiking Guide (2019)
  • Pope Francis, Laudato Si (2015)
  • Eileen Stark, Real Gardens Grow Natives (2014)
  • Paul Bonine & Amy Campion, Gardening in the Pacific Northwest (2017)
  • Mary Reynolds, The Garden Awakening (2016)
  • Dr. Seuss, The Lorax (1971)
  • Shel Silverstein, The Giving Tree (1964)
  • Gleb Raydorodetsky, The Archipelago of Hope (2017)