Gaining a historical perspective is valuable for any endeavor. An academic disciplines that does not provide consistent access to the historical foundations of the discipline will have a challenge avoiding the repeat of discussions or conflicts that may have been addressed in previous “generations”. While there may be disagreement on whether sustainability is a new focus or simply a recasting of previous environmental or social movements and even what the definition of sustainability might be, the scholars who are involved with sustainability would also benefit from a historical perspective. The book “The Genius of Earth Day: How a 1970 Teach-in Unexpectedly Made the First Green Generation” is valuable reading for anyone who is curious about the awakening of a mass environmental movement in the United States during the end of the 20th Century. The book looks at the organizers who worked in the year before the first Earth Day on April 22nd, 1970, several of the important speakers and a sampling of the thousands events that took place, ending with a comparison of the event with the large anniversary event in 1990.