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pollution

A black and white Secchi disk being held by a person
Posted inNews

The Simple Usefulness of the Secchi Disk

by Miriam Reid 18 July 202214 March 2024

A centuries-old sailor’s hack enters the ecologist’s toolkit.

An image of the Sonnblick Observatory with snow
Posted inNews

The Alps Are Dusted with Nanoplastics

by Stacy Kish 30 March 20228 August 2022

A new study finds the lofted pollutants came from major European cities, but further study is required to fully understand the plastics’ transport and deposition processes.

Conceptual diagram showing hydrological processes and biogeochemical and mineralogical reactions control mine-drainage behavior from a waste-rock pile.
Posted inEditors' Highlights

Predicting Discharge Chemistry in Mine-Waste Rocks

by Kamini Singha 23 March 202224 March 2022

Quantifying integrated hydrological processes, biogeochemical reactions, and mineralogical characteristics can help predict water quality and quantity for mine-waste rock piles.

Two researchers in white lab coats conduct a flash Joule heating experiment.
Posted inNews

Extracting Rare Earth Elements from Waste with a Flash of Heat

Rachel Fritts, Science Writer by Rachel Fritts 14 March 202215 March 2022

A method called flash Joule heating could offer a more sustainable way to source essential components of electronics from coal fly ash.

A white-handled push broom with black bristles stands with a large dust bunny before it on the hardwood floor. In the corner is a white ovoid vase.
Posted inResearch Spotlights

A Simple Model Predicts Household Lead Exposure Risk

by Alexandra K. Scammell 28 February 202228 February 2022

Using both sample data and crowdsourced science, a new model effectively identified houses at risk for higher concentrations of lead.

Chicago, Ill., along the shore of Lake Michigan
Posted inNews

Lake Michigan’s Salinity Is on the Rise

by Robin Donovan 7 February 202227 March 2023

Road salt is primarily to blame for the shift, though the water remains within safe levels for now.

Photograph of brown-orange river water
Posted inNews

New Sensor Aids Rare Earth Extraction from Acid Mine Drainage

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 29 November 2021

Rare earth elements appear in more than 200 consumer products. The race is on to source these elements from abundant and environmentally damaging mining waste.

路边的沟渠可以在水进入水道之前有效地将水中的氮去除。图片来源: Corianne Tatariw
Posted inResearch Spotlights

路边沟渠可有效脱氮

Sarah Derouin, Science Writer by Sarah Derouin 7 September 202129 March 2023

研究人员比较了那些为森林、城市和农业用地排水的沟渠中微生物的脱氮潜力,发现路边沟渠是去除养分的重要区域。

Photo of two corn hybrid species growing in a field. The adult hybrid plants at left are green, whereas the hybrid plants at right are yellow and dried.
Posted inNews

Index Suggests That Half of Nitrogen Applied to Crops Is Lost

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 23 August 202130 March 2023

Food production is becoming less efficient at using nitrogen fertilizer, according to a review of global values. Excess nitrogen damages the environment and the climate.

Smoke plume rising and spreading over California during the 2018 Ranch Fire
Posted inResearch Spotlights

Satellite Sensor EPIC Detects Aerosols in Earth’s Atmosphere

Sarah Stanley, Science Writer by Sarah Stanley 17 August 202110 October 2021

Aerosol observations from EPIC—a sensor aboard a satellite—align well with ground- and aircraft-based data, including measurements of smoke plumes produced by recent megafires.

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Unveiling What’s Under the Hood in AI Weather Models

30 September 202530 September 2025
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New Evidence for a Wobbly Venus?

29 September 202525 September 2025
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All Publish, No Perish: Three Months on the Other Side of Publishing

29 September 202525 September 2025
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