Environmental Organizations
Ancient Forest International
California Wilderness Coalition
Environmental Protection Information Center (EPIC) 
Institute for Sustainable Forestry
Mattole Restoration Council
Mendocino Environmental Center
Northcoast Environmental Center
Trees Foundation

Conservation Biology 
Siskiyou Regional Education Project
Society for Conservation Biology
Craighead Environmental Research Institute
California Native Plant Society Issues in State and Federal Conservation

GIS
TerraServer
Klamath GIS
GIS Data Depot
Digital Elevation Models
FRAP-Data List
FRAGSTATS*ARC-Landscape Structure and Spatial Pattern Analysis
DWR California Water Page
Cartographic Resources
USGS Geospatial Data & Information Products

Misc. Links
Dharma Cloud
Inforain
California Wild Heritage Campaign