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photo of marshland in the foreground and a forest in the background during a clear day with a blue sky and no clouds

A key part of EPA's mission is to protect the animals, plants, and natural environment upon which the American people rely. To achieve its mission, EPA conducts scientific assessments called ecological risk assessments as well as endangered species effects determinations to determine the impact of stressors such as pesticides on the health of the environment.

In EPA's pesticide regulatory program, ecological risk assessments play an important role in evaluating the safety of new pesticides and already registered pesticides to animals and plants. EPA's pesticide assessments are based on many scientific studies submitted by the pesticide manufacturers and conducted according to EPA’s guidelines.

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Additional information about EPA's pesticide ecological risk assessment process and endangered species program can be found at the following sites:

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