Paper 1 (Week 1, Day 2)

Graf, W.L., Damage Control: Restoring the Physical Integrity of America's Rivers, Ann. Assoc. Amer Geog., 91(1), 2001, pp. 1-27.

Paper 2 (Week 2, Day 2)

Likens,G.E., Wright, R.F., Galloway, J.N., Butler, T.J., Acid Rain, Scientific American, 241(4), 1979, pp. 43-51.

Paper 3 (Week 2, Day 4)

Likens, G.E., Driscoll, C.T., Buso, D.C., Long-Term Effects of Acid Rain:Response and Recovery of a Forest Ecosystem, Science, 272, 1996, pp. 244-246.

Paper 4 (Week 3, Day 2)

American Scientist,

Discussion Papers

Postel, Ehrlich and Ehrlich, Human Appropriation of Water Resources, Science, pp.