| Abbreviation | Definition |
|---|---|
| LEAP | Local Environmental Agriculture Project |
| LEAP | Local Environmental Awareness Projects |
| LEAR | Logistical Environmental Asset Remediation |
| LEAS | Labour Environmental Alliance Society |
| LEC | Environmental Consultants |
| LEC | Lyonia Environmental Center |
| LECU | Lightweight Environmental Control Unit |
| LECU | Local Environmental Control Units |
| LEDC | Louisiana Environmental Data Center |
| LEEA | Louisiana Environmental Education Association |
| LEEC | Louisiana Environmental Education Commission |
| LEEDAP | Leadership in Energy and Environmental Design Accredited Professional |
| LEEP | Lane Environmental Education Providers |
| LEEP | Lothian And Edinburgh Environmental Partnership |
| LEJ | Literacy for Environmental Justice |
| LELAP | Louisiana Environmental Laboratory Accreditation Program |
| LEMN | Lake Erie Millennium Network (University of Windsor) |
| LENA | Language ENvironmental Analysis and |
| LEO | Local Environmental Observations |
| LEP | Licensed Environmental Professionals |