Geoscience or Earth science is the holistic study of the planet Earth. It is mainly concerned with the analysis of the atmosphere, geology, hydrosphere and lithosphere of Earth. It integrates elements from chemistry, biology, geography, physics, mathematics, etc. This book traces the progress of this field and highlights some of its key concepts and applications. The topics included herein on geoscience are of utmost significance and bound to provide incredible insights to readers. The various sub-fields along with technological progress that have future implications are also glanced at. It is a complete source of knowledge on the present status of this important field.