Alternative Energy: Footprint Reading Library 3000

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Language(s): American English

Level(s): High-intermediate, C1

Authors : National Geographic; Rob Waring

9781424012367

24 Pages  Paperback 

1st Edition

©2009, Published

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Overview

Global warming and the overuse of available traditional fuels have created an environmental crisis. In, Colorado, however, scientists in the windy Rocky Mountains have found alternative fuel sources that could provide a solution. What are these new sources of energy? How can they be used in ever ...more

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