| Abbreviation | Definition |
|---|---|
| LEP | Lighthouse Environmental Programs |
| LEP | Lightweight Environmental Protection |
| LEP | Local Environmental Plan |
| LEPF | Lake Erie Protection Fund |
| LERAP | Local Environmental Risk Assessment for Pesticides |
| LERAP | Local Environmental Risk Assessments for Pesticides |
| LERC | Lions Eyeglass Recycling Center |
| LERC | Louisiana Environmental Research Center |
| LESP | Laundry Environmental Stewardship Program |
| LETL | Loyola Environmental Testing Laboratory |
| LEWG | Land Environmental Working Group |
| LEZ | Low Emission Zones |
| LF | Low Fluorocarbon |
| LFA | Lobster Fishing Area |
| LFCC | Local Federal Coordinating Committee |
| LFCC | Low Flow Conveyance Channel |
| LGED | Laws Guiding Environmental Dischargers |
| LGW | Low Global Warming |
| LID | Low Impact Development |
| LIDTTT | Low Impact Development Treatment Train Tool |