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Browse through a list of USGS environmental health news and budget items.

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Media Alert: Second Round of USGS Dye-Tracing Study on the Kansas River Begins This Week

Media Alert: Second Round of USGS Dye-Tracing Study on the Kansas River Begins This Week

U.S. Geological Survey and partners will inject a harmless, bright red fluorescent dye into the Kansas River on April 29, weather permitting. The...

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Flood Redistributes Mercury in Grand Canyon Aquatic Food Webs

Flood Redistributes Mercury in Grand Canyon Aquatic Food Webs

Scientists coupled the concepts of energy flow through food webs with measurements of mercury in organic matter and animals to estimate mercury fluxes...

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Bioaccumulation of Mercury in Fish Varied by Species and Location in the Chesapeake Bay Watershed—Summary of Existing Data and a Roadmap for Integrated Monitoring

Bioaccumulation of Mercury in Fish Varied by Species and Location in the Chesapeake Bay Watershed—Summary of Existing Data and a Roadmap for Integrated Monitoring

Fish mercury data from State monitoring programs and research studies within the Chesapeake Bay were compiled and summarized to provide a...

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Review of Cyanobacterial Neurotoxins—Information for Prioritizing Future Science Directions

Review of Cyanobacterial Neurotoxins—Information for Prioritizing Future Science Directions

The current state of knowledge on the modes of action, production, fate, and occurrence of the freshwater cyanobacterial neurotoxins, anatoxin-a and...

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Conceptual Model Developed to Understand Contaminant Pathways between Aquatic and Terrestrial Ecosystems

Conceptual Model Developed to Understand Contaminant Pathways between Aquatic and Terrestrial Ecosystems

A conceptual model, based on contaminant properties and ecotoxicological principles, was developed to understand the transfer of contaminants from...

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Equus Beds Aquifer Water Quality Nearly Unchanged between 2001 and 2016

Equus Beds Aquifer Water Quality Nearly Unchanged between 2001 and 2016

Study Shows Water Quality Minimally Affected by Artificial Recharge

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Satellite Imagery Can Track Harmful Algal Blooms

Satellite Imagery Can Track Harmful Algal Blooms

A joint collaboration between EPA, NOAA, NASA, and USGS scientists has demonstrated that satellite imagery can be used to track the frequency of...

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USGS Finds 28 Types of Cyanobacteria in Florida Algal Bloom

USGS Finds 28 Types of Cyanobacteria in Florida Algal Bloom

A new U.S. Geological Survey study that looked at the extensive harmful algal bloom that plagued Florida last year found far more types of...

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Uranium in Spring Water North of Grand Canyon Likely Not Related to Nearby Mining Activity

Uranium in Spring Water North of Grand Canyon Likely Not Related to Nearby Mining Activity

Uranium levels in Pigeon Spring, just north of the Grand Canyon, are likely due to a natural source of uranium and not related to the nearby former...

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In Orlando, USGS Science on the Health of the Environment is on Display

In Orlando, USGS Science on the Health of the Environment is on Display

Studies on the aquatic food web, tree swallows, and the spread of contaminants take center stage at SETAC 2016.

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EarthWord–Morbidity

EarthWord–Morbidity

When you’re not dead yet, but aren’t feeling well either, there’s an EarthWord for that...

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New Science Challenges Old Assumptions about Harmful Algal Blooms

New Science Challenges Old Assumptions about Harmful Algal Blooms

First-of-its-kind survey shows that algal toxins are found nationwide

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