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Underground storage tanks (USTs) containing petroleum and other hazardous substances are everywhere. Accidental releases of the substances from leaking USTs (LUSTs) pose serious health, economic, and environmental risks to local residents. Abt helped the…

The Chesapeake Bay is the largest estuary in the U.S., encompassing 64,000 square miles and covering parts of six states and Washington DC. In the 1970s, the Bay was discovered to have one of the world’s first identified marine dead zones. Poor water…

Millions of students need to prepare for and stay in postsecondary educational programs. Numerous programs seek to help the students achieve their educational goals. There is research that evaluates these programs, but there was previously little…

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…

Teachers can make a real difference in students’ outcomes. However, teacher quality varies greatly. New teachers, who frequently begin their careers in high-need schools where students are in greatest need of effective instruction, have been shown to be…

The Massachusetts Department of Elementary and Secondary Education’s Candidate Assessment of Performance (CAP) is designed to assess the overall readiness of teacher candidates. The state wants to identify best practices, tailor guidelines and…

In late 2014, the Massachusetts Department of Early Education and Care (EEC) was awarded a federal Preschool Expansion Grant (PEG) to expand high-quality early childhood education to more than 800 4-year-old children per year in five underserved…

Education Innovation and Research (EIR) is a competitive grant program, and grantees must fund an independent evaluation of their projects’ effectiveness. Abt provides technical assistance on the conduct of these evaluations to maximize the strength of…

“Space weather” isn’t the next blockbuster movie franchise; it refers to conditions created by the sun, solar wind, magnetosphere, ionosphere and thermosphere near Earth’s space environment that impact our planet. The effects of space weather can…

Over the last 30 years, adults in the United States with a high school education or less have experienced stagnating wages and relatively high unemployment, while those with postsecondary credentials enjoyed economic gains (Autor, 2015; Carnevale et al.,…