Contents (chapter topics):
Glacier and Glacial Features:
[ Glacier Formation || Types of Glaciers Movement of Glacier ]
Wind and Its Geologic Impacts:
[ Wind Erosion || Wind Deposition || Dune Migration || Loess ]
Deserts and Desertification:
[ Causes of Natural Deserts || Desertification || Causes of Desertrification || Desertification in the US || Global Impact of Desertification ]
Global Climate, Past and Future:
[Evidence of Climates Past || Ice Ages || The Greenhouse Effect, Global Warming, Climate Change ]
El Niño:
[ Origin || Causes || Effects: present, past and future]
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