No experience environmental science jobs are entry-level positions for recent graduates of environmental science degree programs. Employment opportunities exist in various fields, and your job duties can vary depending on your area of specialization. An environmental science consultant, for example, is an Earth scientist who advises government agencies about the protection of the environment and ways to decrease their negative impact. Environmental engineers use knowledge of physical sciences, such as climatology and geology, to develop plans and systems to protect the environment and natural resources. The responsibilities of researchers involve collecting data about topics related to the environment.