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Structures such as buildings and roads, absorb and re-emit much more of the sun’s heat than do natural landscapes such as forests and bodies of water. Urban areas with highly concentrated structures become “islands” of higher temperatures compared to…

The Institute of Education Sciences’ National Center for Education Statistics (NCES) is conducting the High School Longitudinal Study of 2009 (HSLS:09), a national study of more than 23,000 students who were in ninth grade in 2009. Students answered…

In 2011, roughly 80 percent of Mozambicans earning their living from subsistence farming; more than 44 percent suffered from chronic malnutrition, and 34 percent faced perpetual hunger. Farm productivity was among the lowest in the world. Farmers used…

Identifying opioid overdose events in administrative records is not always straightforward. Not all people who overdose are taken to hospitals, and some overdoses are reversed by administering naloxone (Narcan), which can be done by first responders,…

To date, evidence on the effectiveness of school voucher programs is mixed. That’s why the U.S. Congress mandated an evaluation of the D.C. Opportunity Scholarship Program (OSP), the only federally funded voucher program.  The Department of Education’s…

USAID and the Government of Jordan (GOJ) want to expand access to—and the availability of—quality integrated essential health services at the national and sub-national levels and increase the government’s capacity to deliver these improved services…

Achieving the Ethiopian Ministry of Health’s ambitious targets to reduce maternal, neonatal, and infant mortality by more than half requires substantial investments at the woreda (district) level. The ministry’s challenges include insufficient government…

Abt primarily has provided expert opinion regarding the relative permanence of waterways affected by industrial, agricultural, or petroleum-related spills into waterways throughout the U.S.

Louisiana needs to rebuild its eroding coastline, which is degrading in part because levees prevent sediment from the Mississippi River from replenishing coastal areas. The Mid-Barataria Sediment Diversion (MBSD) was proposed to reconnect the river to…

National and provincial health plans in remote communities in the Western Province of Papua New Guinea have mandatory goals for reducing child mortality, improving maternal health and combating HIV and AIDS, malaria, tuberculosis and other diseases.