Explore the transformative developments in Earth system modeling through this insightful conference talk. Delve into three major revolutions that have shaped the field over recent decades: the quiet revolution, which harnessed improved observations and increased computing power; the digital revolution, enabling kilometer-scale simulations on modern supercomputers; and the machine learning revolution, introducing competitive, efficient alternatives to conventional weather models. Gain a comprehensive understanding of past advancements, current challenges, and future prospects in Earth system modeling. Learn from speaker Peter Dueben as he presents at SPCL_Bcast #47, recorded on April 4, 2024, and discover how these revolutions are reshaping the landscape of weather prediction and climate modeling.