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Rainforest and atmosphere interact to create a uniform layer of “popcorn” clouds as a result of transpiration.
Jeff Schmaltz, NASA
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Drought in Eastern Africa
More Frequent Drought Likely in Eastern Africa The increased frequency of drought observed in eastern Africa over the last 20 years is likely to continue as long as... More »
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Agriculture II
Humans began to cultivate food crops about 10,000 years ago. Prior to that time, hunter-gatherers secured their food as they traveled in the nearby environment. When they... More »
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Colorado River water supply
Last Updated on 2012-09-11 at 14:20
This curriculum module will look at the Colorado River water supply, climate issues and water extraction issues. We will study the data, the possible consequences to various... More »
Agriculture II
Last Updated on 2012-07-26 at 11:56
Humans began to cultivate food crops about 10,000 years ago. Prior to that time, hunter-gatherers secured their food as they traveled in the nearby environment. When they... More »
Drought in Eastern Africa
Last Updated on 2012-07-12 at 10:51
More Frequent Drought
Likely in Eastern Africa
The increased frequency of drought observed in eastern Africa over the last 20 years is likely to continue as long as... More »
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