collect and dump refuse or recyclable materials from containers into truck. May drive truck.

operate or control an entire process or system of machines, often through the use of control boards, to transfer or treat water or wastewater.

apply or release chemical solutions or toxic gases and set traps to kill or remove pests and vermin that infest buildings and surrounding areas.

teach courses in environmental science. Includes both teachers primarily engaged in teaching and those who do a combination of teaching and research.

conduct economic analysis related to environmental protection and use of the natural environment, such as water, air, land, and renewable energy resources. Evaluate and quantify benefits, costs, incentives, and impacts of alternative options using economic principles and statistical techniques.

conduct research or perform investigation for the purpose of identifying, abating, or eliminating sources of pollutants or hazards that affect either the environment or public health. Using knowledge of various scientific disciplines, may collect, synthesize, study, report, and recommend action based on data derived from measurements or observations of air, food, soil, water, and other sources.

plan, develop, and conduct programs to inform public of historical, natural, and scientific features of national, state, or local park.

apply theory and principles of environmental engineering to modify, test, and operate equipment and devices used in the prevention, control, and remediation of environmental problems, including waste treatment and site remediation, under the direction of engineering staff or scientists. May assist in the development of environmental remediation devices.

Environmental Consultants research the environmental impact of specific activities. They then present their findings and recommendations to their clients.