The evolution of ideas about the origin and development of the earth from the Athenians to the 20th Century, with attention on the age of earth; on the evolution and disappearance of species; on the origin of oceans, continents and mountains; on climate change; and on the courage of scientists in confronting the religious and political views of their time.  ESS104H1 is primarily intended as a science Distribution Requirement course for Humanities and Social Science students. Taught in even years.