Search results for metal air pollution

Environment Dec 14, 2023

Chicago's cumulative report on pollution sparks debate

Straight out of the starting blocks, Chicago is learning how hard it will be to write an ordinance to reduce a broad array of pollutants built up over many years across a big, diverse city.

Analytical Chemistry Dec 12, 2023

Researchers review miniaturized electrochemical sensor technologies for rapid heavy metal detection

Heavy metals (HMs) are metals with high densities and atomic weights. Originating from geological processes or human activities, including mining, industrial production, and petrochemical plants, they are toxic to humans ...

Earth Sciences Dec 12, 2023

Wildfires can unlock toxic metal particles from soils, study finds

Wildfires can transform a benign metal in soils and plants into toxic particles that easily become airborne, according to a new study from Stanford University.

Earth Sciences Dec 6, 2023

Warfare ruins the environment—and not just on the front lines

On the morning of December 6, 1917, a French cargo ship called SS Mont-Blanc collided with a Norwegian vessel in the harbor of Halifax in Nova Scotia, Canada. The SS Mont-Blanc, which was laden with 3,000 tons of high explosives ...

Earth Sciences Dec 5, 2023

Method for containing toxins from mine waste could protect drinking water, prevent cancer

Imagine an abandoned mine site, surrounded by dead trees and dotted with dark, red ponds with no signs of aquatic life. This is the result of mine waste left in the environment that gets weathered by water and air. With exposure ...

Environment Nov 24, 2023

Fallen autumn leaves are a valuable resource. Here's how to make the most of them

Towards the end of autumn the days get colder and shorter. This triggers the reduction of the plant hormone auxin in most deciduous trees, which start to shed their leaves.

Earth Sciences Nov 17, 2023

Study reveals wintertime formation of large pollution particles in China's skies

School of Earth and Atmospheric Sciences researchers find dangerous sulfates are formed, and their particles get bigger, within the plumes of pollution belching from coal-fired power plants

Environment Nov 15, 2023

Decarbonizing Australia's transport system could solve significant public health challenge

The road transport system is responsible for almost 20% of Australia's fossil fuel emissions. Transport emissions have increased nearly 60% since 1990 and Australia's per capita road transport emissions are 45% higher than ...

Biotechnology Oct 17, 2023

Scientifically, efficiently and cost-effectively treating wastewater generated from anaerobic digestion

The resource utilization of waste is important in the construction of an ecological civilization. Agricultural waste contains rich renewable resources and has high potential value in fertilization and energy conversion. Anaerobic ...

Earth Sciences Oct 17, 2023

Decontamination method zaps pollutants from soil

Filtration systems are designed to capture multiple harmful substances from water or air simultaneously, but pollutants in soil can only be tackled individually or a few at a time—at least for now.

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