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Is air dirty

Updated: 8/9/2023
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12y ago

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Air is both naturally "dirty" and unnaturally dirty. For example, the wind blows against farm lands and rocks. The wind picks up small particles of "dirt". Did you know that the particles of dirt in clouds makes rain, sleet, ice, and hail? This kind of dirt is a natural contaminant.

But humans make machines that use fossil fuels. Cars, trucks, diesel engines, even the lawn mower puts out contaminants. These get in the air, making air pollution. This kind of particles is what people mean by "dirty air". This kind of dirty air mixes with natural contaminants, but it can change the weather, make temperature rise on earth, cause less rain or bigger thunderstorms, etc.


Historically, one town was set in a valley surrounded by mills and steel plants. Those produced a lot of "dirty air" in the smoke they put into the air. The town had a mysterious fog that came into the valley and would not go away when the sun came up (sunshine usually warms fog so it rises up to meet the clouds... fog is just a cloud right near the ground). When people went outside to go to work and school, they breathed in this very dirty air. Many people got sick and died because of the chemicals in the smoke that made dirty fog. Authorities and weathermen learned a lot from this event. They made changes in how much dirty smoke that factories could release. It also began the fight against air pollution. No one in the town has died since then, because authorities made laws for factories and the air polluting contaminants they produced back then.

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8y ago
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