| Abbreviation | Definition |
|---|---|
| RoHS | Restriction of Hazardous Substances (EU directive & law) |
| ROPME | Regional Organization for the Protection of the Marine Environment |
| RPAC | Recycling Public Advisory Council |
| RPGW | Reverse Process of Global Warming |
| RPRA | Resource Productivity and Recovery Authority |
| RPSF | Recycling Polyester Staple Fiber |
| RPT | Recirculation Pump Trip |
| RPTB | Response Protocol Tool Box |
| RRCA | Raisin Region Conservation Authority [Ontario, Canada] |
| RREP | Russia Renewable Energy Program |
| RREP | Russia Renewable Energy Project |
| RRF | Recycling Research Foundation |
| RRR | Reduce, Reuse, Recycle |
| RRRAUL | Russian River Residents Against Unsafe Logging |
| RRRRRRR | Rethink, Refuse, Reduce, Repurpose, Reuse, Recycle, Rot |
| RRRRRRRR | Refuse, Reduce, Reuse, Refill, Repair, Regift, Recycle, Repeat |
| RRS | Resource Recycling Systems |
| RRTF | Responsible Recycling Task Force |
| RSC | Record of Site Condition |
| RSEC | Red Sea Environmental Center |