Kate Tracey Grace Tita Amanda Richey. What is it? A naturally occurring and necessary process that...
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![Page 1: Kate Tracey Grace Tita Amanda Richey. What is it? A naturally occurring and necessary process that warms the Earth.](https://reader035.fdocuments.in/reader035/viewer/2022062805/5697bffa1a28abf838cc015e/html5/thumbnails/1.jpg)
Kate TraceyGrace Tita
Amanda Richey
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What is it?A naturally occurring and
necessary process that warms the Earth.
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Why is the greenhouse effect necessary?
The gases trap in heat that the Earth’s inhabitants need to survive
Without the greenhouse gases the Earth would be 86 degrees Fahrenheit cooler at all times.
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Can it be a bad thing?
Yes…Too many greenhouse gases can cause extra
heat to be trapped within the Earth’s atmosphere.
This causes the Earth’s temperature to rise, which in turn, affects many other things.
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Average Global Temperature by Decade, 1880-2004
Decade Avg Temp (Degrees C)
1880-1889 13.82
1890-1899 13.69
1900-1909 13.74
1910-1919 13.79
1920-1929 13.91
1930-1939 14.02
1940-1949 14.05
1950-1959 13.98
1960-1969 13.94
1970-1979 14.01
1980-1989 14.26
1990-1999 14.40
2000-2007 14.64
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What makes up the Earth’s Atmosphere?
78% Nitrogen21% Oxygen1% Greenhouse Gases
Carbon DioxideMethaneWater VaporOzone
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What are the natural sources of greenhouse gases?• Carbon Dioxide
• Humans and Animals Breathing• Volcanoes
• Methane• Cattles Digesting Food• Rice Fields
• Ozone is naturally occurring
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What are the man-made sources of greenhouse gases?
MethaneReleased from buried wasteCoal mining
Carbon DioxideBurning of coal, oil, and gasCutting down trees
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What things are affected?The weather
Hotter summersPossible temperature change year round
WaterChanges in rain fall patterns
FarmingWeather patterns affect crops
Sea LevelsMelting iceWarmer oceans
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What can be done to slow down global warming?
Plant more treesRecycleReduce man-made emissions
Solar Power Hydro Power Wind Power Carpool, bike, walk Use power carefully
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SourcesGreenhouse effect picture
http://www.whrc.org/resources/online_publications/warming_earth/the_greenhouse_effect.htm
Global temp and CO2 concentration data
Source: Goddard Institute for Space Studies, NASA Goddard Space Flight Center Earth Sciences Directorate, "Global Temperature Anomalies in .01 C," at data.giss.nasa.gov/gistemp/tabledata/GLB.Ts.txt, updated January 2008