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Which has the greater environmental destructive potential, Mankind or Nature?. The Risks. 10. Manmade Global Warming (Mankind). Is caused by release of greenhouse gases. Raises water levels, kills algae, and decreases oxygen. More heat = Less plants Less plants = Less animals - PowerPoint PPT Presentation
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Mankind
•Manmade global warming
•Pollution•Soil
degradation (erosion,
runoff, etc.)•Nuclear warfare
Nature
•Mega tsunami and flooding
•Large earthquake•Hurricanes
•Drought•Super volcano
and climate change
10
0
http://library.thinkquest.org/CR0215471/global_warming.htm
10
0
•Unzen Volcano
•Krakatoa explosion
•Indian Ocean
Notable Incidents
http://www.tsunami.noaa.gov/
10
0•Overgrazing.•Overfarming without crop
rotating.
CausesCauses land to become unfertile.
Was responsible
for the American Dust Bowl.
http://www.globalchange.umich.edu/globalchange2/current/lectures/land_deg/land_deg.html
10
0
•Shaanxi-
•Indian Ocean-
Could possibly trigger a volanco.
http://earthquake.usgs.gov/
10
0
•Love canal•Radiation
Contamination
•Smog•Acid Rain
http://edtech.kennesaw.edu/web/pollute.html
10
0
•Bhola cyclone•Indian cyclone
http://www.nhc.noaa.gov/
10
0
•Sahel drought•Sometimes caused by
overgrazing
"Drought for kids." www.drought.unl.edu. University of Nebraska Lincoln. 26 Jan 2009
<http://drought.unl.edu/kids/>.
10
0•Hiroshima and
Nagasaki•Stockpiles
•Tsar Bomba
http://www.howstuffworks.com/nuclear-bomb.htm
10
0
•Krakatoa•Tambora
•Huaynaputina•The Year without a summer•Volcanic
winter•Lake Toba
•"Global Warming." www.thinkquest.org. Thinkquest. 18 Jan 2009 <http://library.thinkquest.org/CR0215471/global_warming.htm>.
•"Tsunami." www.tsunami.noaa.gov. National Oceanic and Atmospheric Administration. 18 Jan 2009 <http://www.tsunami.noaa.gov/>.
•"Land Degredation." www.umich.edu. University of Michigan. 18 Jan 2009 <http://www.globalchange.umich.edu/globalchange2/current/lectures/land_deg/
land_deg.html>.•"USGS Home." www.earthquake.usgs.gov. United States Geological Survey. 18 Jan 2009
<http://earthquake.usgs.gov/>.Jerrie S., Cheek. "Pollution." www.edtech.kennesaw.edu. 8 August 2005. Educational
Technology Center. 26 Jan 2009 <http://edtech.kennesaw.edu/web/pollute.html>."Drought for kids." www.drought.unl.edu. University of Nebraska Lincoln. 26 Jan 2009
<http://drought.unl.edu/kids/>.