Search results for metal air pollution

Analytical Chemistry Jun 3, 2025

Long-used red pigment carmine has a surprisingly complex porous structure

Using advanced electron crystallography techniques, researchers at Stockholm University have succeeded in determining the structure of the historically significant red pigment carmine. It turns out that the substance, used ...

Environment May 26, 2025

Illinois coal plants get Trump exemptions from Biden-era rule limiting mercury, other toxic air pollution

For nearly four decades, owners of the Baldwin power plant in southern Illinois managed to avoid the most stringent requirements of the federal Clean Air Act.

Environment May 20, 2025

Butterflies show lead pollution is still a problem in the Twin Cities

While laws to limit pollution have been around for decades, heavy metal pollutants like lead remain a problem in many areas. Lead and other metals in the soil or air can move through urban ecosystems, impacting the health ...

Bio & Medicine May 6, 2025

It's hard to get meds to the lungs: Breathable algae offers a new path

Our lungs are fairly susceptible to diseases. Unlike most other organs, the lungs are in direct contact with the outside world. When we breathe in, our lungs can also take in things besides the oxygen we need, including irritants, ...

Environment May 1, 2025

Shelters at bus stops intended to provide relief from heat can actually result in higher temps, researchers discover

Some public transit shelter designs can actually do more harm than good when it comes to shielding from summer temperatures, according to a study led by UTHealth Houston.

Nanomaterials May 1, 2025

Using fire to produce nanoparticles could revolutionize various industries

Fire is arguably humanity's earliest discovery. It was pivotal in advancing society—underpinning many of humanity's most transformative inventions, from cooking and forging weapons to generating energy and enabling car combustion ...

Earth Sciences Apr 29, 2025

Aquatic sediment layers reveal 100 years of metal pollution in São Paulo, Brazil

The history of metal pollution in the city of São Paulo, the largest metropolis in Brazil and the Southern Hemisphere, can be read in the layers of sediment accumulated over the last century.

Environment Apr 25, 2025

Study shows 90% metal pollution drop in Adirondack waters five decades after the clean air act

A study published by researchers at the University at Albany has presented the first documented evidence that Adirondack surface waters have made a near full recovery from metal pollution since the enactment of the Clean ...

Economics & Business Apr 9, 2025

How windfalls from commodity price booms can come back to bite exporters

When the wholesale prices of essential goods like food or oil suddenly rise, it can cause deep shifts in the economy that upend trade balances and hike inflation rates. This is known as a commodity price boom.

Plants & Animals Apr 8, 2025

High mercury levels found in Svalbard birds

The arrows for Norwegian seabird populations are pointing downward. Researchers have now recorded mercury levels above the threshold for effects in seabirds that live on Svalbard.

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