Climate Stewards Course for SEI’s Climate Corps
SEI’s Climate Corps program is a bridge-to-career fellowship program that recruits and places rising climate professionals to implement climate change mitigation and resiliency projects. We are…
UC Environmental Stewards
Building California’s Community of Environmental Stewards
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.
Explore UC Environmental Stewards
Learn about our certification programs, find opportunities to get involved and connect with resources that support environmental stewardship across California.
California Naturalist
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.
Climate Stewards
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.
Become a Partner
Organizations across California partner with UC Environmental Stewards to host courses and connect communities with environmental learning, stewardship, and service opportunities.
Learn and Serve
Certified Naturalists and Climate Stewards contribute to community science, habitat stewardship, environmental education, and climate resilience projects across California.
Find a Course
Certification courses are offered throughout California by partner organizations and include classroom learning, field experiences, and community projects.
Resources
Explore program materials, tools, and guidance for participants, instructors, and partners supporting environmental stewardship across California.
How We Are Making an Impact
Our growing network of courses and certified stewards is making a measurable impact across California.
744
Courses
12,000+
Naturalists & Stewards Trained
570,000+
Volunteer Hours
Contribute for a Better Future
Upcoming Events
Climate Stewards Course with Aquarium of the Pacific
The UC Climate Stewards Program at the Aquarium of the Pacific is building climate resilience for our ocean and our communities. This unique course transforms passionate individuals into…
California Naturalist Course with Bolsa Chica Conservancy
In 2020, the Bolsa Chica Conservancy became the newest partner organization, and the first in Orange County, to host a CalNat course. Participants in the Conservancy’s CalNat course can expect…
California Naturalist Immersion Course with Yosemite Conservancy
Have you ever wanted to become a certified naturalist — and do it in the heart of Yosemite National Park? This immersive UC California Naturalist Certification Course, offered by Yosemite Conservancy…
Mission Statement
The mission of UC Environmental Stewards is to foster a diverse community of stewards building toward sustainability and resilience in California’s communities and ecosystems through education and service.