Background information on deforestation.
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Background information on soil moisture.
What is El Nino or ENSO?
Grade Level: 6-8,
9-12
Background information on the El Nino Southern Oscillation or ENSO.
The world's surface air temperature is getting warmer. Whether the cause is human activity or natural changes in the Earth System—and the enormous body of evidence says it’s humans—thermometer readings all around the world have risen steadily since the beginning of the Industrial Revolution.
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