Energy

Electricity use and GDP

Submitted by eortiz5000 on

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http://blogs.edf.org/californiadream/page/13/?wvsessionid=35f357d2293b49059a82d2044643d9c2

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While California’s per capita electricity consumption has held steady for three decades, per capita gross state product (GSP) has doubled.  This shows that California’s economy has become less reliant on energy to produce goods and services

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Systems Diagram of a City

Submitted by pmd on

Source: 

http://upload.wikimedia.org/wikipedia/commons/4/4e/Systems_diagram_of_a_city.png

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Systems Diagram of a City

This is an interesting "Systems Diagram of a City", found at:

http://en.wikipedia.org/wiki/File:Systems_diagram_of_a_city.png

And the image appears on the wikipedia page for Emergy, and is labelled "Energy system diagram of a city in its support region"

http://en.wikipedia.org/wiki/Emergy

This diagrams the major energy  flows in and out of a city.

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