Earth 40: The Biosphere
The connections between life and the elemental cycles on earth.

SIO 260: Marine Chemistry
Chemical description of the sea; the distribution of chemical species in the world oceans, and their relationships to physical, biological, and geological processes. This course is taught by the three-headed monster Aluwihare-Barbeau-R. Keeling.

SIO 269: Special Topics In Marine Chemistry: The Carbon Cycle from an Isotope Perspective