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Implemented by the California Department of Social Services (CDSS) and counties across California, the Project Roomkey (PRK) Program was a statewide effort to protect people experiencing homelessness by giving them an alternative to staying on the street…

With more than 17,000 islands, Indonesia has always struggled to map its plentiful resources and boundaries. Few of the country’s 65,000 villages have legally demarcated boundaries. That hampers the flow of investment and public funding to rural areas…

Researchers and policymakers are trying to understand and build on the benefits of early learning programs. New research was needed to identify the short- and long-term effects of early learning experiences—from social, emotional, and cognitive, to how…

Abt’s expertise with PFAS, lead, and perchlorate enables us to assess health risks, technology effectiveness, and health benefits of water treatment options.

In 2010, an explosion on a Deepwater Horizon oil well in the Gulf of Mexico resulted in the largest marine oil spill in U.S. history. It required a massive response to minimize damage and protect the environment, with involvement by many federal and…

In Madagascar and Tanzania, Abt used solar power during IRS campaigns to cool insecticide storerooms and charge mobile devices for data collection.

Infectious diseases can spread quickly through nursing homes, leading to high morbidity and mortality in this vulnerable population. The COVID-19 pandemic underscored this, causing over 1.7 million SARS-CoV-2 cases and almost 168,000 deaths among nursing…