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“Environmental Ed” explores the meaning of an Ecological Footprint and considers the size of his own Ecofootprint while guiding students to consider the demands they place on the Footprints measure...
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From the Appalachian Mountains, the Catawba River south through the Carolina Piedmont, where it becomes the Wateree River and eventually flows out to the Atlantic Ocean as the Santee River. From the...
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At a lateral plate boundary, plates slide past each other. The San Andreas fault in California is an example of a transform plate boundary, where the Pacific Plate slides past the North American Plate...
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At a convergent plate boundary, lithospheric plates move toward each other. The west margin of the South American continent, where the oceanic Nazca Plate is pushed toward and beneath the continental...
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At a divergent plate boundary lithospheric plates move away from each other. As the two sides move away from each other, magma wells up from the Earth's interior. It then solidifies into rock as it is...
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Because hurricane movements can be unpredictable, NASA has launched various efforts to improve hurricane tracking. NASA research aircraft equipped with sensors and other instruments have take to the...
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Move your mouse over the hurricane parts in the simulation for a description.
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The Earth is surrounded by a thin envelope of gases called the atmosphere. More than 500 active volcanoes erupt around the world affecting the Earth's atmosphere and global climate.
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Part 1 In "Climate Change: A Global Reality," moderator John King of CNN and expert panelists examine the relationship between climate change and the human activities that heighten and intensify its...
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Part 2 In "Climate Change: A Global Reality," moderator John King of CNN and expert panelists examine the relationship between climate change and the human activities that heighten and intensify its...