The production of load-bearing sintered porous bricks will pollute the environment?

Will, brick factory in addition to the brick kiln firing fuel produced by sulfur dioxide, carbon monoxide, carbon dioxide, nitrogen oxides, etc. will have an impact on the atmosphere, some areas of the soil contains trace elements of fluorine, take the soil to make bricks, in the cultivation of the burning process, the atmosphere emits a certain amount of highly toxic fluoride, as well as humans and agricultural life are a huge danger.