What do they do? Teach and advise college students pursuing a career with trees.

Description: College professors often play a role of mentor as they lead students through difficult course material, listen to those whose personal problems may be interfering with their studies, and provide guidance as students grapple with career choices. The job often entails research and preparation for classes that can consume a great deal of time away from the campus. Reading and grading of papers, student advisory sessions, and faculty meetings often fill time between classes. College professors enjoy a more equal relationship with students and often find their passion for a subject renewed by the enthusiasm and curiosity of those just starting out.

Education: Graduate degree.

Salary: Starts at about $35,000 and advances to $50,000 or more depending on experience and responsibility.