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Improving lives with evidence-based, sustainable development solutions

Tetra Tech is Leading with Science® to support climate change adaptation and mitigation around the world.

Tetra Tech is supporting our clients, the Ukrainian people, and neighboring countries in the recovery and reconstruction effort.

Tetra Tech leverages our global network of experts to meet the need for greater economic, social, gender, and environmental justice and equity.

Tetra Tech designs and delivers practical and impactful international development solutions in partnership with our clients, partners, and the communities we serve. We leverage decades of technical expertise from our teams across the globe to address today’s most complex social, economic, and environmental challenges and create positive impact for the future. Learn more.


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Our featured international development highlights

An employee of electricity transmission system operator Ukrenergo

Strengthening Energy Security in Ukraine

Headshot of Carolina Barreto

Carolina Barreto Discusses the Climate Resilience Lessons from Expanding Energy Access in Africa

A drone piloted by Tetra Tech scanning a damaged building for improvised explosive devices (IEDs)

Reviving Old Mosul: 3D Modeling Aids Safe Humanitarian Mine Action in Iraq

Municipal water department employees installing a new valve in Cape Town, South Africa

Mobilizing Finance to Increase Climate-Resilient Water and Sanitation Services

A group of people in West Africa plant mangrove seedlings through a Tetra Tech-supported climate adaptation program

Advancing Equitable and Impactful Climate Adaptation

USAID and project staff announce the Parliament of Georgia’s new website concept

Strengthening Democratic Governance in Georgia

Headshot of Kalinda Magloire

Kalinda Magloire Discusses Challenges and Opportunities for Locally Led Peacebuilding Programming in Fragile Contexts

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One Year In: Transforming Development through Partnership Tools

Tetra Tech supports smallholder farmers to employ advanced analytical tools for improved agricultural planning and crop

Scaling Ground Truth Data Collection, Use, and Sharing to Promote Advanced Crop Analytics

Explore our international development solutions

Our world-class engineers and scientists leverage industry-leading technical expertise, in-depth local knowledge, and sustainable approaches to provide resilient solutions for our clients.

Connect with us. Reach out to our international development experts.

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Our people around the world are supporting our mission and vision for a sustainable world. Join us today.

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