Search results for metal air pollution

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.

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, ...

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