[2015] Unique Allen: Global Warming

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by rmarkopoulos
Last updated 6 years ago

Cycles & Processes

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[2015] Unique Allen: Global Warming

Secondary pollutants form when they react with primary pollutants in the atmosphere.Example:sulfuric acid H2SO4- can cause respiratory problemsnitrogen dioxide (NO2)- gives air a brownish colorationozone (O3)- colorless gas, has a sweet smell,is an oxidizing agent, irritates the eyes

Global warming is important because it increases earth's temperature and may one day destroy it. Global warming is a gradual increase in the average temperature of the Earth's atmosphere and its oceans.

Humans contribute to global warming by cutting down forests and burning fossil fuels such as natural gas, oil and coal. When these things are burned, they release CO2 into the atmosphere which traps heat.

Human impacts on global warming

Global Warming

Why is global warming important?

CFCs are carbon, hydrogen, chlorine, and fluorine, typical gases that are used in refrigerants and aerosol propellants. They release chlorine atoms which are the atoms that actually destroy ozone. The ozone is a shield around earth's stratosphere that absorbs most of the UV radiation. It is estimated that one chlorine atom can destroy over 100,000 ozone molecules which can be very bad if the ozone was to completely break down because the sun's radiation can cause skin cancer, premature skin aging, cataracts and immune system suppression

ResolutionBreakdown of ozone layer by CFC'S

*Nitrogen Oxides*Volatile Organic Compounds (VOC's)*Sulfur Oxides*Particulates*Carbon Monoxide

Primary air pollutants

Carbon Monoxide is an odorless, colorless gas that interferes with the delivery of oxygen in the blood to the rest of the body. It is produced by the incomplete combustion of fuels. Common sources of CO in homes include fuel-burning devices such as gas cooking stoves, water heaters, clothes dryers, fireplaces, charcoal grills, wood stoves, lawn mowers, smoking, motor vehicles and some power tools with internal combustion engines. Breathing CO can cause headache, dizziness, vomiting, and nausea. If CO levels are high enough, you may become unconscious or die. Exposure to moderate and high levels of CO over long periods of time has also been linked with increased risk of heart disease. You can minimize carbon monoxide by having fuel-burning appliances checked by a professional to make sure that the CO2 level is not high or putting you/ your family at risk

VocabAir pollution- A mixture of solid particles and gases in the airAcid rain- Rain or any other form of precipitation that has a higher concentration of acid.Primary pollutant- An air pollutant emitted directly from a sourceSecondary pollutant- Not directly emitted from a source but forms when other pollutants react in the atmosphere.Ozone- A form of oxygen that is found in a layer high in the earth's atmosphere.Carbon cycle- The combined processes of photosynthesis, decomposition, and respiration.Greenhouse gases- A gas in the atmosphere that absorbs heat, contributing to global warming including carbon dioxide, methane, nitrous oxide, and water vapor.



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