| Abbreviation | Definition |
|---|---|
| IWPP | Industrial Waste Pollution Prevention |
| IYO | International Year of the Ocean |
| JACA | Japan Air Cleaning Association |
| JAEI | Johannesburg Anglican Environmental Initiative |
| JAGB | Joint Angling Governing Bodies |
| JAMES | Joining Across Miles Environmental Systems |
| JAPH | Journal of Air Pollution and Health |
| JARP | Japan Auto Recycling Partnership |
| JASEM | Journal of Applied Sciences and Environmental Management |
| JASES | Journal of Applied Science and Environmental Studies |
| J-CCCP | Japan-Caribbean Climate Change Partnership |
| JCEE | Joint Chief Environmental Engineer |
| JCEE | Joint Chief Environmental Engineers |
| JCRP | Jackson County Recycling Partnership |
| JD | Jurisdictional Determination |
| JEAM | Journal of Environmental Accounting and Management |
| JEAN | Jamaica Environmental Advocacy Network |
| JEAN | Japan Environmental Action Network |
| JEE | Japan Environmental Exchange |
| JEEL | Journal of Energy and Environmental Law |