| Abbreviation | Definition |
|---|---|
| ESSP | Environmental Studies Sustainability Program |
| ESSR | Environmental Safety Sustainability and Risk |
| EST | Environmental Sampling Technologies |
| EST | Environmental Science And Technology |
| EST | Environmentally Sustainable Transport |
| EST | Environmentally Sustainable Transportation |
| ESTC | Environmental Science and Technology Center |
| ESTC | Environmental Science and Technology Centre |
| ESTCP | Environmental Security Technology Certification Program |
| ESTEM | Environmental Science Technology Engineering and Math |
| ESTF | Environmental Streamlining Task Force |
| ESTG | Environmental Services Training Group |
| ESTH | Environmental Science Technology and Health |
| ESTP | Environmental Safety Training Professionals |
| ESWC | Electrically Safe Work Condition |
| ESWS | Environmental Soil and Water Science |
| ESY | Environmentally Sustainable Yard |
| ET | Ecological Transport |
| ETAB | Environmental Testing Advisory Board |
| ETAB | Environmental Transactions and Brownfields |