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Transcript

Chem 464 presentation:

Air Pollution

What is air pollution?

?

Air Pollution

The WHO defines air pollution as the contaimination of the environment by any chemical/physical/biological agent that creates a change in the natural parametrs of the atmosphere

What are some sources of air pollution?

Natural:

- wind blown dust

- wildfires

- volcanoes

- salt spray

Anthropogenic:

- fossil fuels

- biomass burning

- subways

- road salts

Major effects of air pollution in the environment

* London Smog

* Photochemical Smog

* Meteorological range(R)

* Arctic Haze

* Wet/dry acid deposition

"How Does Air Pollution Travel Across Continents?"

By: Lou Corio, Senior Air Quality Scientist

Why is air pollution bad?

Effects and Measurment

* CO poisoning

* Carcinogenic HCs

* Smog irritants

* Aerosol formations

Sinks of Air Pollution

Air Pollution:

* Sinks due to transport

- Wet/Dry deposition

Aerosols:

* Coagulation

* Sedimentation

* Impaction

Sinks

How to measure Air pollution/ air quality

* Aitken Counter

* Dynamic light scattering

Measuring

Relavant Articles

Article

"US States Export Air Pollution Impacts"

"How Air Pollution Messes With Our Minds"

"Hyperlocal Air Pollution Analysis Shows Health Inequities"

"Safety questions remain after Ohio train derailment"

Conclusion and Discussion

conclusion

&

discussion

Air pollution has become and increasing detrimental problem. Without limiting pollutants emitted into the atmosphere problems will continue to worsen.

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