Search results for metal air pollution

Earth Sciences Jun 20, 2024

Defunct satellites burning up in the atmosphere could damage the ozone layer

Communications companies such as Starlink plan to launch tens of thousands of satellites into orbit around Earth over the next decade or so. The growing swarm is already causing problems for astronomers, but recent research ...

Earth Sciences Jun 9, 2024

Maps of heavy metals in Wellington, New Zealand soils show impacts of urbanization

A new study from GNS Science marks a significant step in the assessment of environmental contamination in Aotearoa New Zealand's capital.

Environment May 21, 2024

Tracking down toxic metals from tobacco smoke

Cigarette smoke has been studied for years, revealing a multitude of contaminants, including toxic metals. But exactly which of those metals can be traced to secondhand or thirdhand smoke?

Analytical Chemistry May 14, 2024

Research team makes hydroxylamine from air and water

A research team led by Prof. Zeng Jie and Prof Geng Zhigang from University of Science and Technology of China (USTC) has proposed a new model for sustainable hydroxylamine (NH2OH) synthesis via a plasma-electrochemical cascade ...

Environment May 9, 2024

School's out: how climate change threatens education

Record-breaking heat last month that prompted governments in Asia to close schools offers fresh evidence of how climate change is threatening the education of millions of children.

Environment May 8, 2024

As climate change amplifies urban flooding, here's how communities can become 'sponge cities'

"When it rains, it pours" once was a metaphor for bad things happening in clusters. Now it's becoming a statement of fact about rainfall in a changing climate.

Environment May 7, 2024

What are nanoplastics? An engineer explains concerns about particles too small to see

It's become common to read that microplastics—little bits of plastic, smaller than a pencil eraser—are turning up everywhere and in everything, including the ocean, farmland, food and human bodies. Now a new term is gaining ...

Environment May 1, 2024

Tire toxicity faces fresh scrutiny after salmon die-offs

For decades, concerns about automobile pollution have focused on what comes out of the tailpipe. Now, researchers and regulators say, we need to pay more attention to toxic emissions from tires as vehicles roll down the road.

Ecology Apr 27, 2024

Species living closely together in symbiosis is far older and way more common than you might think

Once known only to those studying biology, the word symbiosis is now widely used. Symbiosis is the intimate relationship of different species living together. It's much more common and older than many of us might realize.

Earth Sciences Apr 25, 2024

Spring snow, sparkling in the sun, can reveal more than just good skiing conditions

One might think that snow, of all things, is easy to describe: it is cold, white and covers the landscape like a blanket. What else is there to say about it?

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