Do Now: Analyze the following images. Why is one of the earth’s land surface a desert, another a grassland, and another a forest?
Did the Sunspot Cycle Cause the Fall of the Ming Dynasty? Yuk Ling Yung CUHK 25 Oct 2004.
Sustainable Fossil Fuels? Klaus S. Lackner Columbia University April 2004.
Sustainable Fossil Fuels?
Hydrologic Equation
Did the Sunspot Cycle Cause the Fall of the Ming Dynasty?
Timber Harvest and Road Impacts on Landslides and Sediment Delivery
