| Clackamas County Farm Forestry Association - http://www.ccffa-oswa.org/ A nonprofit group which supplies information on forestry and the environment. A chapter of the Oregon Small Woodlands Association. - Read more |
| Greenspirit - http://www.greenspirit.com/ Views on ecology and society from Dr. Patrick Moore, co-founder of Greenpeace. - Read more |
| High Yield Conservation - http://www.highyieldconservation.org/ Growing more food per acre will leave more land for nature. - Read more |
| SeedTree - http://www.seedtree.org/ Non-profit organization planting trees worldwide to promote endangered forest ecosystems, biodiversity, renewable energy, and sustainable ecological and economic development. - Read more |
| World-Wide Web Virtual Library: Forestry - http://www.metla.fi/info/vlib/Forestry/ Directory of forestry science resources. - Read more |
