 Tetra Tech, Inc. NASDAQ: TTEK has secured a four-year, 49 million single-award contract from the U.S. Agency for International Development USAID to promote biodiversity conservation and climate-resilient, low emission development in West Africa. Tetra Tech will work with private sector partners to support sustainable natural resources management planning to reduce deforestation and mitigate the impacts of climate change in West African forestslandscapes of global biodiversity significance. 