California Science Standards
http://www.cde.ca.gov/be/st/ss/scmain.asp

CalPhotos — A collection of images of plants, animals, fossils, people, and landscapes.
http://elib.cs.berkeley.edu/photos/

Understanding Evolution — A comprehensive website providing content and resources to support the teaching of evolution.
http://evolution.berkeley.edu

Digital Library for Earth Systems Education — A searchable database of educational resources.
http://www.dlese.org/

The Educator's Reference Desk — Provides access to a variety of educational issues, lesson plans, and The ERIC database.
http://www.eduref.org/

Project Learning Tree Curriculum — PLT is an environmental education program for educators working with students in preK-12th grade.
http://www.plt.org/cms/pages/21_21_9.html

The California Environmental Resources Evaluation System (CERES) — An incredible library of information! Developed by the California Resources Agency to facilitate access to a variety of electronic data describing California's rich and diverse environments.
http://www.ceres.ca.gov/index.html

Education Planet — An excellent K-12 education portal. Try searching this site for some environmental education lesson plans!
http://www.educationplanet.com/

Tours & Tidbits (for GSFers) — Useful resources and information for Grad Student Fellows participating in the Exploring California Biodiversity project.
tourstidbits.php

BioKeys — Online guide to identifying animals and plants of the Bay Area, including the Hastings, Angelo, and Sagehen Reserves.
http://biokeys.berkeley.edu/