Graph

Current Trends Are Not Sustainable

Submitted by wrscpmd on

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http://seniorjournal.com/images/Reference/TrendEntitlementSpending.jpg

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Current Trends Are Not Sustainable

Current Trends Are Not Sustainable

This graph shows Government spending, expressed as a percent of GDP, in ten-year intervals for 1970 to 2080. The chart also shows Government receipts, expressed as a percent of GDP, as a line from 1970 to 2080.

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Atmospheric Carbon Dioxide

Submitted by pmd on

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http://icestories.exploratorium.edu/dispatches/ipy-the-next-generation/

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Atmospheric Carbon Dioxide

Atmospheric Carbon Dioxide from Mauna Loa, Hawaii from IPY III (1957-58) to IPY IV (2007-2009)

Also known as the "Keeling Curve"

You might not know this (most people don’t,) but 2007-2008 is an International Polar Year (IPY). More than 60 countries, including the U.S., have developed large-scale polar research projects that rely heavily on international coordination and collaboration.

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Global Population growth by region

Submitted by petermeisen on

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http://s3.amazonaws.com/files.posterous.com/pbassham/oLhJ9q4mU5yJH8bGbCzzbdqOACWOlsHjrQerBFlnrZSYvHzvvhzfGOgXSnzK/PastedGraphic-6.tiff.scaled.1000.jpg?AWSAccessKeyId=AKIAJFZAE65UYRT34AOQ&Expires=1318463670&Signature=fjXIMEuGBWnskNPkV%2FC%2BjIubu2E%3D

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Global Population growth by region

Global Population growth over the last 500 years -- with regional breakouts

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