By reducution of coal do you mean reducing the use of coal , or obtaining the chemicals from it.
By reducing the use of coal you can use, wind, water, sunlight, nuclear to produce power.
However, coal can baked in coke ovens to reduce it to coke(impure carbon), together with gases given off, such as carbon dioxide, sulphur dioxide, ammonia, hydrogen sulphide. These gases can be used industrially to make other things.
by using wind power instead
To reduce dust.
By using Clean coal, One can reduce Pollution.
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The production of hydrogen gas from coal has shown promise to impact humans positively by allowing for cleaner energy production. Hydrogen may be able to reduce pollutants that affect human health and reduce gasses in the air such as carbon dioxide.
Some types of coal contain sulphur, and when burned, release sulphur dioxide; this is the major source of sulphur dioxide emissions. There are ways to scrub pollutants out of the smoke emitted by coal-burning power plants, however, I personally think that it makes more sense to stop burning coal and switch to other methods of power generation.
To reduce dust.
to reduce, reuse, and recycle everything you can
By using Clean coal, One can reduce Pollution.
Developing alternative energy sources reduce your need for oil and coal, primarily.
The use of biomass for fuel can reduce the consumption of oil and coal.
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The production of hydrogen gas from coal has shown promise to impact humans positively by allowing for cleaner energy production. Hydrogen may be able to reduce pollutants that affect human health and reduce gasses in the air such as carbon dioxide.
To remove and reduce particulate matter from the burnt gasses
Use ceiling fans and reduce air conditioning use in summer.
He believes in shutting down coal fired plants, as to reduce emissions to stop "global warming".
If we have enough solar energy we will not have to use coal and oil and wood to heat and we will reduce the amount of CO2 in the atmosphere. This will reduce global warming caused by humans.