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

Delivering solutions to support climate-resilient communities

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

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

Supporting Stabilization and Reconstruction Efforts in Ukraine and Eastern Europe

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

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Tetra Tech is supporting organizations around the world to advance gender equality while meeting their core business goa

Advancing gender equality in male-dominated industries

Tetra Tech is supporting organizations around the world to advance gender equality while meeting their core business goals.

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Securing Indigenous rights to fisheries in Peru

Securing Indigenous rights to fisheries in Peru

Tetra Tech collaborates with Indigenous communities to support sustainable fishery management in the Imiría Regional Conservation Area

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Empowering a 10-year-old Hygiene Ambassador

Empowering a 10-year-old Hygiene Ambassador

Tetra Tech is enhancing sustainable handwashing with tippy taps and school programming.

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Protecting forests in Madagascar with conservation, community, and action

Protecting forests in Madagascar with conservation, community, and action

Tetra Tech supports the USAID Mikajy project mobilize to reforest, restore, and reinforce resource management alongside community and youth organizations.

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Bolstering livelihoods in Eastern Congo with increased production of specialty coffees

Bolstering livelihoods in Eastern Congo with increased production of specialty coffees

Tetra Tech partners with USAID to support equitable, transparent, and sustainable coffee value chains in the Democratic Republic of the Congo.

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Evaluating the environmental, resettlement, and social impacts of new roads in the Philippines

Evaluating the environmental, resettlement, and social impacts of new roads in the Philippines

Tetra Tech and MCC assessed an minimized the impacts of a 222-km roadway to support economic growth in the Samar Provinces.

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With teams located around the world, Tetra Tech’s International Development Group serves clients across several development markets. Learn more about the work of our teams based in the United Kingdom and Europe, and our teams in the Asia-Pacific region.

Latest International Development Updates

Kyiv, Ukraine cityscape of Kiev and Ukrainian flag waving in the wind during summer in Podil district and new buildings

Supporting Stabilization and Reconstruction Efforts in Ukraine and Eastern Europe

Headshot of Kalinda Magloire

Expert Q&A: Kalinda Magloire Discusses Challenges and Opportunities for Locally Led Peacebuilding Programming in Fragile Contexts

Abstract global climate change solution concept, depicting a digital representation of a green globe.

Four Ways Development Agencies Can Advance Carbon Markets

Featured International Development Projects

Through SuFiA TS, Tetra Tech works with the private sector, shown here offloading fish catch into colorful basket

Improving the Management of Marine Biodiversity and Fisheries in the Indo-Pacific Region

LFP strengthens institutional capacity to improve planning, organizing, and executing efficient land policy.

Land for Prosperity, Colombia

Aerial photo of the Congo Basin watershed and mosaic landscape.

Addressing Biodiversity Threats in the Congo Basin

CCBO supports rapidly urbanizing low- and middle-income countries to reduce ocean plastic leakages.

Clean Cities, Blue Ocean

Tetra Tech supports women in Uganda to maintain sustainable sanitation services in their homes.

Uganda Sanitation for Health Activity

Rural community member collecting tree resin within a protected area near his village in northern Cambodia.

Advancing Sustainable Management of Cambodia’s Prey Lang Extended Landscape

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