Topic: Energy

Economics in the 21st century

Posted Feb 2, 2007 in download Help
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Economics in the 21st century

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Engineers have high hopes for

Posted Feb 2, 2007 in download Help
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A concept for a new fuel efficient airplane, with a unique “flying wing” shape, is being tested by engineers at Boeing, NASA and the U.S. Air Force …

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Methane reduction might slow warming

Posted Feb 2, 2007 in download Help
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Methane reduction might slow warming

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Energy Cost

Posted Feb 3, 2007 in download Help
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You hear, “save water” and “save energy.” But even with the best intentions, it’s hard to know exactly what choices to make to be “green” in your daily activities. An expert has some tips — on today’s Earth and Sky.

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Human activities found to increase urban haze

Posted Aug 7, 2007 in download Help
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A scientific study of the air in Mexico City found that human activities contribute even more to the formation of urban haze than previously thought.

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About E&S Teachers Center

PROJECT LEARNING TREE® is an award winning Environmental Education program of the American Forest Foundation.

Project Learning Tree

Enhance learning in your classroom with correlated PLT lessons. Hundreds of correlations have been developed combining PLT's award winning PreK-12 Environmental Education curriculum and Earth & Sky's radio series.

Browse the topics to the right to view the radio shows and activity correlations.

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