Yes. You can also do an internship for credit, but not both. Internships for credit: the ENVS program has a strong internship program for juniors and seniors with opportunities in 35-40 organizations along the Front Range. Internships for pay: students must arrange themselves or through Career Services.
Most departments, including the Environmental Studies Program, hold recognition ceremonies where students are called by name. The Environmental Studies event is usually the afternoon before the university commencement ceremony. Information is posted in the "events" section of this website and emailed to graduating students.
Students that gain experience related to their desired field while in school are more likely to obtain employment related to their major. The Data Analytics website provides employment statistics of CU Boulder Alumni.