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This material is based on work supported by the National Science Foundation ("NSF") under Grant No. 0607010. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation. Global Warming Module 3 Lesson 3

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Page 1: Global Warming - academics.lmu.edu · Arcc Polar Ice Caps • Since 1979, the size of the summer polar ice cap has shrunk more than 20 percent

This material is based on work supported by the National Science Foundation ("NSF") under Grant No. 0607010. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

GlobalWarming

Module 3 Lesson 3

Page 2: Global Warming - academics.lmu.edu · Arcc Polar Ice Caps • Since 1979, the size of the summer polar ice cap has shrunk more than 20 percent

http://health.state.tn.us/images/ClimateChangeImpacts.jpg

Page 3: Global Warming - academics.lmu.edu · Arcc Polar Ice Caps • Since 1979, the size of the summer polar ice cap has shrunk more than 20 percent

Arc/cPolarIceCaps

•  Since1979,thesizeofthesummerpolaricecaphasshrunkmorethan20percent.

•  OnSept.21,2005,seaiceextentdroppedto2.05millionsq.miles,thelowestextentyetrecordedinthesatelliterecord.

•  ThislossistwicethesizeofTexas.

•  Realproblem‐>icecapsareEarth’saircondi/oners!!!–  ReflecttheSun’senergybackintospace

1979 2003

http://www.nasa.gov/centers/goddard/news/topstory/2003/1023esuice.html

Page 4: Global Warming - academics.lmu.edu · Arcc Polar Ice Caps • Since 1979, the size of the summer polar ice cap has shrunk more than 20 percent

http://climategem.geo.arizona.edu/slr/world/index.html


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