Tetra Tech incorporates sustainability in its projects, business operations, and community activities to make a difference for its customers and the planet. Tetra Tech’s Sustainability Program demonstrates how we are Leading with Science®  to sustain the growth of our business, reduce greenhouse gas emissions, and provide an exceptional work environment for our associates, all while providing innovative solutions for our clients.

With 450 offices and 20,000 employees worldwide, we are conscious of the company’s impact in the communities in which we live and work. As a leading consulting and engineering firm, we ensure our daily practices are as sustainable as possible to advance our legacy of sustainability each year.

This page provides highlights of our featured sustainable projects, community outreach and support, and experts who provide sustainable technical solutions to our customers.

Sustainability in our Projects

Tetra Tech partnered with USAID to develop the eCDT system to help reduce illegal fishing in Southeast Asia.

Tetra Tech Wins the EBJ Technology Merit Award for USAID Oceans Project

Receiving the Technology Merit Award from EBJ for Seafood Traceability Systems for USAID Oceans Project

State of California Department of General Services Natural Resources Headquarters in Sacramento, CA

Tetra Tech’s High Performance Buildings Group Ranks High in Buildings Sector

Achieving top 10 rankings for sustainable building engineering design and consulting services

Tetra Tech's digital tools is helping the town of Paradise, California, recover after the 2018 Camp Fire.

Tetra Tech’s Digital Tools Help A Community Recover After Northern California’s Camp Fire

Working with CalRecycle to bring innovative tools to a disaster response project in Paradise, California

Responsibility to our Communities

Tetra Tech is recognized as one of America’s Most Responsible Companies 2020 by Newsweek.

Newsweek Names Tetra Tech One of America’s Most Responsible Companies 2020

Continuing our commitment to our corporate social responsibility and sustainability goals

Engineers Without Borders team members bring back clean water to the La Reforma community.

Tetra Tech’s Charity of the Year Update: Clean Water in Guatemala

Supporting Engineers Without Borders to bring safe and sustainable water to La Reforma, Guatemala

WYG staff and two ex-services employees ready to speak with veterans about employment opportunities outside the military

WYG, A Tetra Tech Company, Wins Company’s 2019 Community Service Achievement Award for Work with Invictus UK

Supporting a sport recovery program for wounded, injured, and sick servicemen and women

Employee Sustainability

Tetra Tech's 2019 International Bike to Work Week Challenge.

Pedaling to Reduce Traffic Pollution: 2019 International Bike to Work Week Challenge

Encouraging our employees to reduce emissions and live healthy lifestyles

#TtInspires: Laureen Abustan, Civil and Environmental Project Engineer

#TtInspires: Laureen Abustan, Civil and Environmental Project Engineer

Making a difference for people and the environment through engineering

#TtInspires: Philip Martinello, Electrical Engineer

#TtInspires: Philip Martinello, Electrical Engineer

Using electrical engineering expertise to address environmental and energy issues