Air pollution Kellen vaneck, zach fite

Causes

Air pollution could consist of a lot of different chemicals from many different places, natural and not. Air pollution is when harmful substances build up in the air to unhealthy levels. Whether it's solids, gases or liquids. Primary pollutants are pollutants that get put into the air directly by human activity, while secondary pollutants is when primary pollutants come into contact with other primary pollutants or natural occurrences.

Sources of primary air pollution

  • Carbon monoxide (CO) : that can come from cars, trucks, small engines and some industrial processes
  • Nitrogen oxides (NOx) : comes from burning fuels in vehicles, power plants and industrial boilers
  • Particular matter (PM) : soles mostly form burning fossil fuels
  • Sulfur oxides (SOx) : comes from burning fuels, such as from vehicles
  • Volatile organic compounds (VOCs) : comes from contructuon, agriculture, forestry, and fires.

Each being released in large quantities from many sources, such as electricity production, industry, transportation, and Other sources. Two major sources of air pollution in urban areas are industry and transportation, contributing to around 70 of all pollution in the U.S.

Smog

Smog is when air pollution hangs over urban areas and reduces visability. Smog comes from chemical reactions that involve sunlight, air, automobile exhaust, and ozone. Though pollutants released by vehicles and industries are the main causes of smog. Temperature inversion is a big contributer to smogs presence as it traps the pollutants near the earths surface instead of circulating in the atmosphere, allowing it to build up to dangerous levels. Temperature inversion is when the air is warmer than the air below it.

Effects of exposure

Short term effects

  • Upper respitory infections
  • Headaches, nausea, eye irritation
  • Athsma and emphysema worsening

Long terms

  • Lung cancer
  • Worsening medical conditions or elderly
  • Damages to children's lungs

Indoor pollution

Indoor pollution can come from many different places, causing damage to the inhabitants inside. Plastics and industrial chemicals cause pollutants, found in lots of home items. Even buildings having poor air quality when being tightly sealed for insulation can cause Sick building syndrome. Identifying and removing the sources of the indoor pollution is the most effective way of maintaining good indoor air. Ventilation and musing outside with inside air is also a good way for improvement. Removing of sources of pollutants could also include old insulation to be removed to insure asbestos is not in your air. Asbestos is long thin fibers used for its strength and heat resistance, but can cause scarring and cutting of the lungs if inhaled and even asbestosis disease.

Noise pollution

Noise pollution may vary from whispers to rockets thundering above. As noise increases, the dangers of it can increase for humans and animals alike. Noise is measured in Decibles. 0 decibels is the quietest sound a human ear can hear, and the loudest noise we can hear can reach 180 decibels. Noise pollution or high degrees can result in loss of hearing, high blood pressure, and stress.

Light pollution doesn't pose any direct hazard to human health, but it does affect our environment negatively. Solutions to the pollution includes; sheidling light by directing it downwards, timers to only use light when nessissary, and using low pressure sodium sources.

Acid rain

Acid rain may not hold up standards provided by science fiction; melting buildings and eroding concrete in seconds. But acid rain does pose a large threat to the environment as more and more pollution enters the atmosphere. Acid precipitation Is precipitation such as rain, sleet, or snow that contains a high concentration of acids. Such acid rain can kill living things and result in a feline or loss of some local animals and plants. Lakes going fishless, areas being poisoned by the rain it depends on, and water sources for animals to drink is killing them off. The pH is the number of how acidic of basic a substance is. The lower the pH, the higher the concentration of acid runs rampant in our ecosystems. Sudden influx of acidic water can cause a rapid change in water's pH, causeing acid shock.

Luckily countries are trying to combat the problems. The U.S. And Canada signed Air Quality Agreement, reducing acid emitions. As well as multi-country agreements nessisary to control acid rain.

Created By
Kellen Vaneck
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Credits:

Created with images by SD-Pictures - "industry sunrise sky" • Simone Ramella - "Smog" • stux - "road construction construction workers teersäge"

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