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Environment - Science for a Healthy Planet


The Earth’s climate has a long history of drastic fluctuation. From ice ages to long periods of warmth, there are natural occurrences such as volcanic eruptions and changes in the Sun’s intensity that affect the climate. More recently, there is wide speculation that activities associated with the Industrial revolution have altered the atmosphere and have negatively affected the climate. This program demonstrates how scientists measure, study and research the health of our planet from the atmosphere to the depths of the ocean.

**This product is a digital download from Ward's Science**


   
 

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470123-520 Environment - Science For A Healthy Planet DVD Version
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