Join our Movement
Who We Are
TreePeople inspires and supports the people of Southern California to come together to plant and care for trees, harvest the rain, and renew depleted landscapes.
Born from the efforts of a teenager over 40 years ago, we have involved more than 3 million people in planting and caring for more than 3 million trees.
We unite with communities to grow a greener, shadier and more water-secure city at homes, neighborhoods, schools and in the local mountains. We work with volunteer leaders using our unique Citizen Forester model, and we influence government agencies for a healthy, thriving Southern California.
Our Focus Areas
Working towards environmental and social justice among environmentally stressed communities.
Providing students, teachers and the school community with the knowledge, tools and support they need to create environmental change.
Restoring ecosystems, planting trees, and incorporating nature-based solutions from Southern California urban streets to our greater watershed.
Park & Trails
Protecting and stewarding natural parks and open spaces.
Policy & Research
Conducting cutting-edge research and facilitating policies that support nature-based solutions.
Volunteering with TreePeople is fun and rewarding. Our events empower you with the support, training and tools you need to be an engine of change. Join us each week as we plant and care for trees throughout Los Angeles, remove invasive species and maintain our projects throughout Southern California.
Commemorate life’s moments by planting trees in our newly created Cinader Grove at TreePeople’s Coldwater Canyon Park. Donate to TreePeople and plant a tree that will leave a lasting legacy to someone special in your life.
T.R.E.E. Talks Series
TreePeople’s signature public lecture series, bringing together thought leaders from a variety of environmental topics to discuss the future of our movement.
Activities for all ages to keep you reading, thinking, and growing
Dedicate a Tree
These unique, symbolic gifts can have an everlasting impact for as little as $25.
Guided Park Activities
Imagine watching the lights of Los Angeles fade and the stars appear? Or, walking down the trail learning something new about the natural environment including native plants that you can use in your own garden, and more!
If you asked TreePeople staff what they remember most from our tree planting events it would probably be the smiles of children getting the chance to play in the dirt, or the stories of community members on why they chose to spend their weekends volunteering and giving back. But what happens behind the scenes to […]
It’s 8:30 on a Saturday morning. The late summer sun beats down on a grid of blacktop. It’s already hot enough that the stop sign at the end of the block is almost hidden by a mirage. But something is different about today. Trees line the sidewalk on both sides of the street, waiting to […]
Supporting the next generation of environmental leaders has been at the forefront of TreePeople’s mission for almost 50 years — ever since we were founded on the dreams of a 15-year-old boy trying to change the world. That spirit is still growing strong today. As the new school year starts and teachers and students return […]