Search results for metal air pollution

Earth Sciences Apr 8, 2025

Mercury concentrations in tree rings may enable trees to be 'witnesses' of illegal gold mining activities in the Amazon

For hundreds of years, the Amazon has been exploited for its gold. Today, the precious metal is just as sought after, but the remaining tiny gold particles are much harder to find. Mining often happens in artisanal and small-scale ...

Earth Sciences Apr 7, 2025

Dust in the wind: How cities alter natural airborne particles

Airborne dust pollution is a growing problem for residents of Utah and other Western states, especially with the exposed lakebed of Great Salt Lake potentially becoming more hazardous as the lake dries. Natural dust blows ...

Archaeology Apr 2, 2025

Study uncovers mercury treatment in 19th-century French child suffering from rickets and scurvy

A recent study, published in the International Journal of Paleopathology, examined the skeletal remains of a child who lived in mid-19th-century France. The study revealed that the child had suffered from rickets and scurvy ...

Environment Apr 1, 2025

Surprising number of environmental pollutants found in hedgehogs

Lead, pesticides, brominated flame retardants, plastic additives, polychlorinated biphenyls (PCBs), and heavy metals. This is what researchers at Lund University in Sweden found in a new study when they collected dead hedgehogs ...

Polymers Mar 7, 2025

Pure porous polymers promise cleaner air and energy solutions

A group of researchers from Tohoku University developed a method for synthesizing a special type of polymer that has applications for reducing greenhouse gas emissions—a major concern amidst a period of rapid climate change.

Environment Feb 18, 2025

Burning plastic for cooking and heating: An emerging environmental crisis

A Curtin University-led paper, "The Use of Plastic as a Household Fuel among the Urban Poor in the Global South" published in Nature Cities, has called for action to reduce the burning of plastics for heating and cooking, ...

Space Exploration Feb 12, 2025

What is space junk and why does it pose an increasing risk for Earth? An expert explains

Year after year, humanity is setting new records for the amount of stuff we're sending into the Earth's orbit, spurred mostly by Starlink's orbital domination. We're getting more eyes (satellites) on the sky, but we're also ...

Environment Jan 29, 2025

Updated database details pollution risks for students nationwide

Researchers at the University of Massachusetts Amherst Political Economy Research Institute (PERI) today published the updated Air Toxics at School database, a web-based platform that tracks toxic air pollution affecting ...

Environment Jan 27, 2025

Air quality after the fires: Understanding where and when the air is safe

Even though the Palisades and Eaton fires are now mostly contained, the Santa Ana winds have led to new fires flaring up across Los Angeles County. While many of the latter have been in areas of dense brush, resulting in ...

Environment Jan 27, 2025

Engineers develop algae-based adsorbents as new weapon against harmful blooms

As harmful algal blooms (HABs) continue to spread across the globe, urgent research is needed to address this growing threat. Studies in Italy, China, and the Atlantic basin have shown that many water bodies have high nitrogen-to-phosphorus ...

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