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Greenhouse effect

Greenhouse effect - Global Warming

TermDefinition
What is the greenhouse effect? light passes through the atmosphere; hits the earth; the light is absorbed and changed; the heat dissipates back to outer space; some heat is trapped by greenhouse gases and warms the earth.
Why does the greenhouse effect is important? The green house effect keeps our Earth warm; without it earth would be an ice planet.
Why does greenhouse effect occur? The greenhouse effect happens when certain gases—known as greenhouse gases—collect in Earth's atmosphere. These gases include carbon dioxide (CO2), methane, nitrous oxide (N2O), fluorinated gases, and ozone.
1st greenhouse gas and source: CARBON DIOXIDE-a by product of combustion (burning) the burning of fossil fuels has drastically increased the amounts of carbon dioxide
2nd greenhouse gas and source: METHANE-produced by anaerobic digestion (without oxygen) produced in the wetland nice paddy, stomach tracts of cows and other organisms like termites. It is a colorless, odorless flammable gas which is the main constituent of natural gas.
3rd greenhouse gas and source: 3rd greenhouse gas and source: Chlorofluorocarbon is a group of man made chemicals developed in the 1950's and used in many products. Ex: CFCs
Methane importance: Methane is important for electrical generation by burning it as a fuel in a gas turbine or steam generator. Compared to other hydrocarbon fuels, burning methane produces less carbon dioxide for each unit of heat released.
what is global warming? rise in global temperature due to an increase in greenhouse gases; too much is being absorbed
If global warming is occuring, what are some predicted outcomes? climate changes; ice caps meltings; sea levels rising and flooding coastal areas
Some examples of how the amount of greenhouse gases can be reduced: Carbon dioxide level can be reduced by less combustion especially fossil fuels; Less deforestation; Methane can be reduced with new technologies that will collect methane released and use as an energy source; etc..
What is the most common greenhouse gas? Carbon dioxide
What is the relationship between deforestation and the greenhouse effect? Trees remove CO2 from the atmosphere less trees more CO2 in atmosphere; Tree tops are left- termites invade "slash" = methane= greenhouse Gas
What is the relationship of the oceans to the greenhouse effect? Oceans store CO2; much more in ocean then atmosphere, cold water can hold more CO2; If the atmosphere warms ocean warm.
Why would curbing greenhouse gases be difficult? We depend on Fossil fuel; entire economy is based on fossil fuels.
Created by: Academicfeatures
 

 



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