Our Mission

ATA is a Hawai’i based non- profit organization dedicated to mitigating climate change. By partnering with organizations and our community, we initiate and support environmental projects and internships that advance resilient forest ecosystems for Hawai‘i.

2021 Community Report

ATA’s community report summarizes its accomplishments in 2021 and includes...

2022 Community Report

ATA’s first community report summarizes its accomplishments in 2022 and includes...

2023 Community Report

Read about ATA’s impact in 2023 and the robust partnerships…

What We Do

>> Forest Restoration Project

We organize volunteer events that support native tree reforestation and help to slow climate change through tree planting and environmental education. Our events encourage learners of all ages to become citizen foresters.

Aloha Tree Alliance

>> Stewardship Training

We are committed to empowering students with the knowledge, skills and resources to champion environmental sustainability. We hope to cultivate the next generation of forest stewards.

Robust Partnership and Actions

>> Robust Partnership and Actions

We partner with organizations, businesses, individuals and communities to build a healthier and more resilient environment for Hawaii.

Our Roots

Aloha Tree Alliance founded
ATA launched the Kuli‘ou‘ou Ridge Trail Restoration Project sponsored by the Kaulunani Urban and Community and Forestry grant
ATA began its educational program, bringing K-12 students to the restoration site and teaching the importance of mālama ‘aina, the watershed, and native tree identification. Began partnership with KUPU Hawaii Youth Conservation Corps program
ATA planted over 2,000 native trees, shrubs and grasses, received support from several partners and granters such as The Coconut Traveler, Xylem, Kaulunani Community and Forestry, and NOAA

Core Values

Meet the Team

Arlynna Livingston

Arlynna Livingston

Arlynna Livingston believes preserving forests for the next generation is critical to a sustainable future. She loves teaching others, especially youth, about the interdependence of our forests with our livelihoods. Arlynna's compassionate nature for humans, trees, and animals touches all who meet her generous spirit.

Laurie Chang
Executive Director

Laurie Chang is a dedicated environmentalist and advocate for the stewardship of Hawaii's unique ecosystems. A former communications professional turned English teacher, Laurie recognizes the power of education in fostering environmental awareness and empowering youth to take action for a greener future. She enjoys traveling and exploring new cultures, reading, embracing an active lifestyle and engaging in artistic hobbies.

Cailyn Schmidt
Program Manager

Cailyn is passionate about fostering community well-being and resilience through connections with nature. She grounds her environmental work in cultural contexts and brings with her a B.S. degree in Conservation and Resources Studies and B.A. in Music from UC Berkeley. In her free time she enjoys hiking, playing music and doing yoga on the beach.

Will Weaver

Wili Weaver
Restoration Specialist

Wiliwili Weaver brings decades of conservation and forestry experience to his consulting work with Aloha Tree Alliance. His former roles at Ko'olau Mountain Watershed Partnership and now Forestry Solutions on the Big Island lends valuable insight into ecosystem restoration methods for the southern Ko'olau region. His inspiration for nature is viscerally depicted through stunning photography images found throughout ATA's website.


Aloha Tree Alliance is an established, certified 501(c)3 nonprofit organization. We see ourselves as community collaborators and allies. Through collaborations we hope to foster a unified approach to slow climate change, promote reciprocity, cultural respect and awareness, and equity to natural resources across the Hawaiian Islands.

We invite you to join us during our monthly restoration and tree planting workdays. Please see our calendar. You can also donate toward the purchase of native trees and plants on our website. If you are honoring someone with a purchase of a tree, we will notify them of your gift.

Aloha Tree Alliance is a not-for-profit 501(c) (3) organization. All financial contributions are tax-deductible for income, gift, and estate taxes. Our EIN # is 87 -0994075. You can find our green donation button at the top right corner of our home page. Mahalo for your contribution!

Aloha Tree Alliance is based on O‘ahu, HI

If you or your organization is interested in partnering with ATA, please email info@alohatreealliance.org

You can email us at info@alohatreealliance.org.

Our mailing address is 7192 Kalanianaole Hwy, Ste. A-143A PMB 270 Honolulu, HI 96825

ATA in the News

“This is Gold:
An unprecedented push to restore urban Honolulu watersheds from ridge to reef”

A nearly $8 million project will take the Hawaiian approach to land management and apply it to busy parts of town.