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public health

Dark wildfire smoke moves across a partly cloudy sky.
Posted inNews

The Sun Bakes Wildfire Smoke, Changing Its Toxicity

by Jackie Rocheleau 13 June 202213 June 2022

A new study questions the narrative that dilution is the solution to pollution.

An air conditioner coil that has thick dust at left and is clean at right
Posted inFeatures

Indoor Air Pollution in the Time of Coronavirus

Richard Sima, freelance science writer by Richard J. Sima 31 May 202230 November 2022

How aerosol scientists spread the word on the airborne transmission of COVID-19–and what it means for cleaning our indoor air.

A tarnished copper water pipe and spigot with dripping water sits in front of a blurred green outdoor background.
Posted inNews

Uranium Detected in Latinx Communities’ Water Systems

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 21 April 202213 September 2025

The unsafe contaminant levels could not be attributed to differences in regional geology, water source, or community size. Researchers suggest they are due to a failure of regulatory policy.

Vehicles cross a bridge over the Ravi River in Lahore, Pakistan, at sunset.
Posted inNews

Pharmaceuticals Found in Rivers on All Continents

by Jordan Wilkerson 22 March 202222 March 2022

A quarter of 258 observed rivers had unsafe levels of at least one drug. The findings raise concerns about Earth’s aquatic life and the global threat of antimicrobial resistance.

A street in Philadelphia following a winter storm
Posted inResearch Spotlights

Road Salts Linked to High Sodium Levels in Tap Water

Sarah Stanley, Science Writer by Sarah Stanley 8 March 202227 August 2025

Use of deicing agents may sometimes raise sodium levels in drinking water beyond healthy limits for people on salt-restricted diets.

People walk around the urban park near the Osman Sagar reservoir in Hyderabad, India.
Posted inNews

Weighing the Benefits of Urban Greening

Rishika Pardikar, Science Writer by Rishika Pardikar 2 March 202217 April 2024

City communities may need to consider whether water absorption or cooling benefits are more important when designing urban greening.

Hillside view of the Lombard city of Varese, Italy
Posted inNews

Exposure to Low Levels of Air Pollution Increases COVID-19 Risk

Tim Hornyak, Science Writer by Tim Hornyak 16 February 202216 February 2022

Although causality has yet to be established, an Italian case study found that an increase in annual average exposure to PM2.5 was associated with a jump in the rate of COVID-19.

A map of flooding in southeastern Texas during Hurricane Harvey, with flooded areas shown in red.
Posted inNews

Remote Sensing Could Predict Well Water Quality After Floods

by Jackie Rocheleau 16 December 202116 December 2021

After a flood, most people rely on officials to test public water sources. Private well owners are on their own, with little data to guide testing and treatment. New research seeks to change that.

A satellite image of a bright green algae bloom in the dark blue waters of Lake Erie
Posted inResearch Spotlights

Cyanobacteria Blooms Exceed WHO Thresholds in Midwest Lakes

by Rebecca Dzombak 16 November 20216 June 2022

A study of 369 lakes across the Midwest finds that many of them, especially those close to agriculture, have high concentrations of harmful algal bloom-causing cyanobacteria.

Smog extremo sobre Shenzhen, China
Posted inResearch Spotlights

Los beneficios para la salud y el clima de reducir la contaminación del aire

Kate Wheeling, freelance science writer by Kate Wheeling 15 September 20218 April 2022

En un nuevo estudio, investigadores aplicaron un modelo global del sistema Tierra para estimar los impactos de las reducciones de emisiones por sector.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

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