The document provides information about the Massachusetts Department of Environmental Protection (MassDEP), including its mission to ensure clean air and water and manage waste and hazards. It describes MassDEP's Green Intern Program which is open to all and offers internships during the summer, fall, and winter/spring seasons. The document also lists various employment classifications at MassDEP such as environmental analysts, engineers, coordinators, planners, managers, administrators, and legal positions. Finally, it provides tips for salary negotiation including doing research on average salaries, framing the salary question, and waiting for the employer's response.