UC Environmental Stewards empowers Californians to care for the state’s natural and human environments through hands-on learning, science, and community engagement. Through the California Naturalist and Climate Stewards certification courses, participants join a growing statewide network with more than 70 course sites and 10,000 certified stewards.
Learn about our certification programs, find opportunities to get involved and connect with resources that support environmental stewardship across California.
Learn about California’s ecosystems through hands-on field experiences, science, and stewardship. The California Naturalist certification builds knowledge, observation skills, and connections to the natural world.
Gain the knowledge and tools to support climate resilience in your community. The Climate Stewards certification explores climate science, communication, and actions that support local solutions.
Organizations across California partner with UC Environmental Stewards to host courses and connect communities with environmental learning, stewardship, and service opportunities.
Certified Naturalists and Climate Stewards contribute to community science, habitat stewardship, environmental education, and climate resilience projects across California.
Certification courses are offered throughout California by partner organizations and include classroom learning, field experiences, and community projects.
Explore program materials, tools, and guidance for participants, instructors, and partners supporting environmental stewardship across California.
Our growing network of courses and certified stewards is making a measurable impact across California.
Courses
Naturalists & Stewards Trained
Volunteer Hours