Traditional toxicity testing evaluates chemicals at amounts much higher than typical human exposures, but some chemicals can cause health effects at low doses.This report outlines a strategy to improve EPA's ability to evaluate evidence of low-dose effects of endocrine active chemicals (EACs).

An increase in brucellosis cases in the Greater Yellowstone Area has alarmed cattle and domestic bison producers and spurred new scientific analyses to determine the factors involved.

The U.S. EPA supports extramural research at academic and nonprofit institutions through a competitive, peer-reviewed grant program known as Science to Achieve Results.

While climate change is never the sole factor in any particular extreme weather event, teasing out its role can help government officials and businesses assess changing risks and better plan for the future. This video explains how the science of extreme weather event attribution is like baking cookies!

Despite broad understanding of volcanoes, key questions regarding the timing, duration, style, size, and consequences of volcanic eruptions remain unanswered. To improve eruption forecasting and warnings, this report identifies grand challenges for the volcanic science community.