64 Ergebnisse - Zeige 61 von 64.

Long a favorite of those who believe sustainability has a chance, wind power has nevertheless been surprisingly controversial. Aesthetics aside, wind turbines can kill flying wildlife and the regulatory framework of wind power is still immature in the US. This report considers the many ways wind power can affect the environment (including disruptions in air, water and habitat and commercial, aesthetic, social and political implications) to est...

Keine Beschreibung.

Some of the nation's estuaries, lakes and other water bodies contain contaminated sediments that can adversely affect fish and wildlife and may then find their way into people's diets. Dredging is one of the few options available for attempting to clean up contaminated sediments, but it can uncover and re-suspend buried contaminants, creating additional exposures for wildlife and people. At the request of Congress, EPA asked the National Resea...

Risk assessment has become a dominant public policy tool for making choices, based on limited resources, to protect public health and the environment. It has been instrumental to the mission of the U.S. Environmental Protection Agency (EPA) as well as other federal agencies in evaluating public health concerns, informing regulatory and technological decisions, prioritizing research needs and funding, and in developing approaches for cost-benef...