Earth science or geoscience includes all fields of science associated with the world Earth. This is often a branch of science managing the physical constitution of the world and its atmosphere. Earth science is that the study of our planet’s physical characteristics, from earthquakes to raindrops, and floods to fossils. The numerous purpose of the world sciences is to acknowledge the present capabilities and therefore the past evolution of the world and to use this information, whereby acceptable, for the advantage of human race. Some earth scientists use their information of the world to find and develop energy and natural resource. Others study the impact of human action on Earth's environment, and style ways to protect the world.