| Acronym | Expanded | Issuing Agency or Organization |
| CA | Certified Arborist |
|
| CE | Certified Ecologist | Ecological Society of America |
| CEI | Certified Environmental Inspector | |
| CEP | Certified Environmental Professional |
|
| CRS | Certified Remediation Specialist | Environmental Assessment Assn |
| CLM | Certified Lake Manager |
|
| CNS | Certified Noise Specialist | Florida Dept of Transportation |
| CWB | Certified Wildlife Biologist | The Wildlife Society |
| CWD | Certified Wetland Delineator | US Army Corps of Engineers |
| Ph.D. | Doctorate Degree | Accredited Insitution |
| PWS | Professional Wetland Scientist | Society of Wetland Scientists |
| MLA | Master of Landscape Architecture | Accredited Insitution |
| MPA | Master of Public Administration | Accredited Insitution |
| MS | Master of Science Degree | Accredited Insitution |
| SE | Senior Ecologist | Ecological Society of America |