| Common green job? | Yes |
| Workers employed in the US | 450,000 |
| Women in this workforce | |
| Hispanic / Latino workers | |
| Workers by race | |
| Median earnings | |
| Concentration of workers by state / territory |
employees in this occupation per 10,000 jobs
employees total in this occupation
|
| Workers by age group | |
| Typical education needed for entry | Postsecondary nondegree award |
| Work experience in a related occupation | None |
| Typical on-the-job training needed to attain competency | Long-term on-the-job training |
| Union representation | Data not available |