A new study highlights the importance of reducing fossil fuel combustion, not only to curb the trend of global warming, but also to improve the quality of China's coastal waters. The findings were recently published in Environmental ...
Earth Sciences
Mar 27, 2020
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7
The concentration levels of nitrogen dioxide, a primary air contaminant, have declined 64% in major Spanish cities after the implementation of measures to fight COVID-19. Levels have fallen most in Barcelona, with an 83% ...
Environment
Mar 25, 2020
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5
France's stay-at-home orders to combat the coronavirus outbreak have produced a 20 to 30 percent decline in overall air pollution levels in Paris, according to a report from the region's air quality monitoring agency.
Environment
Mar 25, 2020
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3
A new study from Columbia University finds that nitrogen emissions from agricultural production in the tropics is likely to increase and, in some cases, overtake temperate climates, exposing more people to polluted air and ...
Environment
Mar 06, 2020
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4
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
Like a long-distance food delivery app with no apparent highway, fungi that associate with shallow-rooted shrubs in the tundra are accessing deep stores of nitrogen being released by thawing permafrost. The findings by Northern ...
Environment
Jan 08, 2020
0
159
Dense, hazy fog episodes characterized by relatively high humidity, low visibility and extremely high PM2.5 have been a headache to many megacities, including those in mainland China. Among pollutants that are less than 2.5 ...
Earth Sciences
Dec 27, 2019
0
131
It's been 30 years since a pilot project in Miami-Dade County found that blasting wastewater with electrons could clean it up, removing all kinds of nasty stuff, from mircroorganisms to harsh chemicals.
General Physics
Dec 10, 2019
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10
Thanks to a newly developed laser spectrometer, Empa researchers can for the first time show which processes in grassland lead to nitrous oxide emissions. The aim is to reduce emissions of this potent greenhouse gas by gaining ...
Earth Sciences
Dec 05, 2019
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8
Most of us know nitrous oxide as "laughing gas," used for its anaesthetic effects. But nitrous oxide (N2O) is actually the third most important long-lived greenhouse gas, after carbon dioxide (CO2) and methane. Nitrous oxide ...
Earth Sciences
Nov 18, 2019
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170
The term nitrogen oxide typically refers to any binary compound of oxygen and nitrogen, or to a mixture of such compounds:
(Note that the last three are unstable.)
Chemical reactions that produce nitrogen oxides often produce several different compounds, the proportions of which depend on the specific reaction and conditions. For this reason, secondary[clarification needed] production of N2O is undesirable, as NO and NO2 — which are extremely toxic — are liable to be produced as well.
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