who study environment
Others work closely with environmental and other scientists to preserve and clean up the environment. Geoscientists usually study and work in one of several closely related fields of geoscience. Geologists study the composition, processes, and history of the Earth.
Environmental science is an interdisciplinary field that employs many branches of science (e.g. biology, ecology, geology, oceanology, physics, soil science, etc.) to study the impact of humans on the environment. It is founded on principles of scientific inquiry.