This book describes the evolution of major topics in Earth sciences through the lens of key scientists and researchers in the field. From earthquakes to volcanoes to conserving water, this newly revised edition covers a wide spectrum of all that earth science has to offer, making it an essential read for the earth scientist of today and tomorrow. This resource provides an examination the problems researchers are currently investigating, as well as the methods they have developed to solve them in an effort to protect and better understand our planet. Chapters include Exploring Earth's Depths; Origin and Variability of Earth's Magnetic Field; Volcanoes and Hotspots; Geothermal Energy-A Furnace Beneath the Soil; Water Management-Conserving an Essential Resource; and Predicting Earthquakes.