The U.N. weather agency says the world—and especially urban areas—experienced a brief, sharp drop in emissions of air pollutants last year amid lockdown measures and related travel restrictions put in place over the coronavirus ...
Environment
Sep 3, 2021
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25
Your ride might be a modest one—but if it burns gasoline, you have precious metals on board. To reduce pollution at the tailpipe, gasoline cars and trucks today come equipped with catalytic converters that contain platinum-group ...
Materials Science
Aug 19, 2021
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333
Scientists have discovered that pollution concentration varies between seasons. A new study, conducted in the North China Plain, determined where volatile organic compounds (VOCs) are distributed within the vertical layers ...
Earth Sciences
Feb 16, 2021
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4
The COVID-19 pandemic that shuttered cities around the world did not just affect the way we work, study and socialize. It also affected our mobility. With millions of workers no longer commuting, vehicle traffic across Canada ...
Environment
Feb 9, 2021
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1
Cutting emissions of particular gases could improve conditions for plants, allowing them to grow faster and capture more carbon, new research suggests.
Environment
Jan 27, 2020
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51
Data from the Copernicus Sentinel-5P satellite revealed that an explosion in a natural gas well in Ohio in February 2018 released more than 50 000 tons of methane into the atmosphere. The blowout leaked more of this potent ...
Earth Sciences
Dec 18, 2019
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22
Scientists from Tokyo Metropolitan University have developed a low-temperature catalyst for removing NOx gas from industrial exhaust using ammonia. Composed of bulk "defective" vanadium oxide instead of vanadium oxides supported ...
Materials Science
Nov 18, 2019
0
34
Triton orbits Neptune, the eighth planet from the Sun, some 2.7 billion miles from Earth—at the cold outer fringe of the Solar System's major planet zone. Surface temperatures hover near absolute zero, so low that common ...
Astronomy
Jul 30, 2019
1
594
Astronomers using the Gemini Observatory explore Neptune's largest moon Triton and observe, for the first time beyond the lab, an extraordinary union between carbon monoxide and nitrogen ices. The discovery offers insights ...
Astronomy
May 22, 2019
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84
Many microbes have an enzyme that can convert carbon dioxide to carbon monoxide. This reaction is critical for building carbon compounds and generating energy, particularly for bacteria that live in oxygen-free environments.
Biochemistry
Oct 2, 2018
0
25
