Search results for metal air pollution

Plants & Animals Sep 1, 2023

World's longest lichen declines in a national park

A unique long-term study performed by researchers at Umeå University shows that the pendent lichen Usnea longissima has decreased by 42% over 37 years in Skuleskogen National Park, located in High Coast UNESCO World Heritage ...

Nanomaterials Aug 30, 2023

Nanocomposite-based electrocatalyst for alkaline overall water splitting at low cell voltage for hydrogen production

The diminishing conventional energy resources based on fossil fuels and their related environmental consequences have drawn attention around the world toward the development of renewable energy resources. These renewable ...

Environment Aug 27, 2023

Water harvesting in Death Valley: Conquering the arid wilderness

Korea is regarded as a "water-stressed nation." Although the country receives an annual precipitation of approximately 1,300mm, it is characterized by concentrated periods and specific regions, thereby giving rise to challenges ...

Analytical Chemistry Aug 14, 2023

'Forever chemicals'? Maybe not

Dangerous "forever chemicals" left in the soil from firefighting foam could be destroyed by grinding, according to a proof-of-concept study by University of Auckland scientists collaborating with the U.S. Environmental Protection ...

Environment Aug 14, 2023

How microplastics are making their way into our farmland

Microplastic pollution is a global environmental problem that is ubiquitous in all environments, including air, water and soils.

Environment Aug 14, 2023

Maui officials and scientists warn that after the flames flicker out, toxic particles will remain

When flames swept through western Maui, engulfing the town of Lahaina, residents saw toxic fumes spewing into the air as burning homes, pipes and cars combusted, transforming rubber, metal and plastic into poisonous, particulate ...

Environment Aug 7, 2023

The EPA's ambitious plan to cut auto emissions to slow climate change runs into skepticism

The U.S. government's most ambitious plan ever to slash planet-warming greenhouse gas emissions from passenger vehicles faces skepticism both about how realistic it is and whether it goes far enough.

Environment Aug 1, 2023

The nuclear arms race's legacy: Toxic contamination, staggering cleanup costs and a culture of government secrecy

Christopher Nolan's film "Oppenheimer" has focused new attention on the legacies of the Manhattan Project—the World War II program to develop nuclear weapons. As the anniversaries of the bombings of Hiroshima and Nagasaki ...

Nanophysics Jul 31, 2023

New nanotech identifies chemical composition and structure of impurities in air, liquid and living tissue

Using conventional testing techniques, it can be challenging—sometimes impossible—to detect harmful contaminants such as nano-plastics, air pollutants and microbes in living organisms and natural materials. These contaminants ...

Environment Jul 21, 2023

Tourists help scientists reveal microplastic pollution on remote Arctic beaches

Tourists acting as citizen scientists have helped a research team detect microplastics on remote Arctic beaches. The global scale of plastic production means that these tiny fragments of plastic are now ubiquitous, and scientists ...

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