The intellectual excitement of modern earth sciences is fueled by our exploration of the dynamic forces that shape our planet and the delicate balances that have rendered it conducive to life for much of its history. These forces and balances link subjects as diverse as the evolution of continents, global climate change, and biological evolution. They also influence our daily lives in surprising and compelling ways. Many of the grand challenges facing humanity in the foreseeable future, including global warming, energy and resource depletion, and groundwater contamination, involve processes that are studied by geoscientists. Geoscience offers undergraduates the refreshing combination of a solid curriculum in the sciences and an opportunity to do leading research in a number of fields, all within a relatively small, close-knit department. Class sizes are small, and this allows for a stimulating, well-paced, and intimate environment. Our graduates have gone on to graduate school in the sciences or medicine, to careers in industries or agencies involved in extracting or conserving our natural resources, and to careers in law, business, public policy, government, or diplomacy.