Search

Part 2 of the AHAR showed that overall sheltered homelessness was down while introducing new elements to the data collection.

Abt helped the EPA develop data-driven regulations, treatment tools, and exposure models that strengthen protections against contaminants such as PFAS and lead, improving drinking water safety for millions of Americans.

The AgResults initiative was created by five donors after the 2010 G20 summit. The donors recognized that their resources alone could not significantly reduce poverty in the world’s poorest countries. They created AgResults to test whether pay-for…

Meet Abt at SBCA 2026 to discuss how rigorous economic evidence can guide environmental and public policy decisions.

For more than 35 years, Abt has delivered extensive regulatory support services to state and federal clients, including the Environmental Protection Agency, Department of Transportation, Department of Health and Human Services, Department of the Interior, Coast Guard, and Occupational Safety and Health Administration.

Parental intent to vaccinate children younger than five has declined over time as parents were less likely to think the vaccine was effective and safe.