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Estuarine habitats in the northern Gulf of Mexico (GOM)—including marshes, oyster reefs and sea grass beds—are critical for many ecologically and economically important fish and crustacean species. However, many of these estuarine habitats are…

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…

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…

Climate change, in particular global warming, inevitably will have an impact on winter recreation. But the effects will differ from one vacation destination to another. The challenge is to understand the effects on activities such as skiing and…

Climate change is producing extreme volatility in weather events. 100-year floods occur with alarming regularity. That produces challenges for the U.S. Army Corps of Engineers, which has too few dollars for all the needed projects. What the Corps needs…

Do pollution prevention projects reduce toxic releases? If so, by how much? Understanding their impact would provide valuable input to efforts to protect the nation’s environment. However, the sheer number — approximately 370,000 projects over 20 years —…

Good governance is critical to Mexico’s long-term competitiveness. Improved competitiveness, in turn, is the key to rational and efficient use of the country’s natural-resource base. This is particularly important for rural producers who live in…

More than 140 unregulated chemicals contaminate public water supplies in 42 states. The risk to consumers is unclear because researchers haven’t figured out the threshold for when they cause harm. To weigh regulatory options, the Environmental Protection…

Abt has extensive experience investigating and addressing the complex effects of per- and polyfluoroalkyl substances (PFAS) in the environment and on human health.

We know how to prepare for inevitable epidemics. It takes will and wisdom. Do we have them?