| Abbreviation | Definition |
|---|---|
| PEEC | Pocono Environmental Education Center |
| PEEDA | People, Energy & Environment Development Association (Nepal) |
| PEEL | Programme for Environmental Experiential Learning |
| PEER | Pagepublic Employees For Environmental Responsibility |
| PEER | Public Employees for Environmental Responsibility |
| PEERS | Public Employees For Environmental Responsibilities Sen |
| PEERS | Pulping Engineering Environmental Recycling and Sustainability |
| PEF | Product Environmental Footprint |
| PEFC | Programme for the Endorsement of Forest Certification |
| PEI | Princeton Environmental Institute |
| PEID | Priority Environmental Infrastructure for Development |
| PEIN | Pacific Environmental Information Network |
| PEIS | Programmatic Environmental Impact |
| PEIS | Programmatic Environmental Impact Statement |
| PEJ | Partners for Environmental Justice |
| PEL | Permissible Exposure Limit |
| PEL | Planning and Environmental Linkages |
| PEL | Planning Environmental Linkage |
| PEL | Possible Environmental Liability |
| PELR | Pace Environmental Law Review |