What causes pollution in the outside?

by Kylie Bird
(Eureka, Utah)

It Hangs Over the City

Well, I am doing a report on global warming and pollution. I know cars cause pollution, but what else does?
Please help me!!!!

Barry's Response - We have two pieces to the puzzle here. One is that there is a connection between pollution and global warming. This wikipedia article ( https://en.wikipedia.org/wiki/Global_warming_conspiracy_theory ) points out how global warming is as much a political thing as a scientific one, perhaps more.

The second is less controversial. What are major sources of pollution? It comes from natural sources, most commonly volcanoes, forest fires, swamp and other biological decay, mold spores, tree pollen, wind-driven dust. Mostly familiar things.

What about the other stuff...the man-made stuff? We all know about cars; they're not good for the condition of the atmosphere. Same goes for trains, jet airplanes, ships and such.

Other obvious things include power plants, manufacturers, refineries, factories of all types and related facilities like batteries or loading stations. Individual sources include compressor engines, incinerators, disposal pits, fugitive emissions (pipeline and infrastructure leaks), various other types of smoke stacks and tailings ponds.

Less obvious is farming operations, livestock emissions especially. Crop mowing, fallow dust, pesticide applications (e.g., crop dusting) also contribute.

Another thing gaining attention: noise pollution. We associate this with transportation more often than stationary sources, but the public has become more aware of it over the years.

I hope this helps

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