Normal and abnormal conditions of plant and animal bodies. Covers both human and non-human health and disease topics. For human health and disease, use the narrower term 'environmental health (human)'.
Multiple studies addressing urban water-quality issues, to describe biological, chemical, and physical characteristics of urban water resources over time, and relate those characteristics to natural processes and human activities
Description of scientific focus and research at the Northern Appalachian Field Lab on mining land use impacts and mediation, aquatic ecology, effects of dam removal, and invasive plant and animal species.
Brief summaries of USGS projects in Texas including water quality monitoring, digital mapping, energy resources, U.S.-Mexico border mapping, fish and wildlife health, Kemp's Ridley sea turtle, and conditions affecting water quality.
In all, 56 compounds were detected in samples collected approximately monthly during 2003-05 at the intake for the Clackamas River Water plant. On the basis of this screening-level assessment, adverse effects to human health are assumed to be negligible.