The inefficient burning typical in a fireplace also creates plenty of soot.
Initial results show traditional stoves have even higher soot levels than anticipated, while new stoves appear to dramatically reduce emissions.
Cern had to clean "soot-like dust" from the firehose-size pipes meant to contain an extreme vacuum so that nothing would obstruct the proton beams passing through.
The soot produced by burning fossil fuels has a stronger warming effect because it contains a higher ratio of black carbon to sulfate, which reflects sunlight to produce a cooling effect.
Then I shined them with soot from the stove LIDS.
The ink appears to be an ancient recipe—a mix of iron gall and soot inks.
In America and Europe, laws to protect air quality mean that, when coal is used to generate power, it produces relatively little sulphur dioxide or soot.
It is not possible to tell from this view exactly what pollutants made up the haze on February 20, but it probably contains mostly soot or black carbon and possibly some ground-level ozone.
And ink from soot and spit.
The analysis found that cyclists had 2.3 times more soot in their airway cells.
But the sulphur that spews from the smokestacks of coal-fired power stations causes acid rain and the soot generates smog.
Beyond the heating effects of carbon dioxide and the other greenhouse gases, there are the effects of converting land from one use to another and filling parts of the sky with soot and smog.
In New Delhi and Mumbai the dusty lanes remain lined with barefoot beggars and cluttered with soot-belching motorized rickshaws.
But soot - also known as black carbon - from millions of villages like this one in developing countries, is emerging as a major and previously unappreciated source of global climate change.
The impacts would have filled the atmosphere with smoke and soot and blotting out the Sun.
A handful of salt thrown onto the flames in your fireplace will not only produce pretty, vivid yellow flames, it will help loosen soot in the chimney, preventing chimney fires and improving air flow.
When the bandage is opened we see the wound full of soot and ashes and oozing pus... the man has a high fever.
only now did the young girls rub some of the soot from their noses, disclosing their sallow skin;
Close to the fires, smoke poses a health risk because it contains small particles (soot) and hazardous gases that can irritate the eyes and respiratory system.
But pyrolytic stoves produce almost no soot-the carbon is all locked into the biochar.
The doors and Windows were blurred with soot.
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