Habitat Abbreviations and Acronyms
- PM10Particulate Matter No Greater Than 10 of Aerodynamic Diameter
- PM10Particulate Matter Measuring 10 Micrometres Or Less
- PM2.5Particulate Matter No Greater Than 02.MАЙ of Aerodynamic Diameter
- PM2.5Particulate Matter Measuring 02.MАЙ Micrometres Or Less
- PMFLPrivate Managed Forest Land
- PNEAPacific Network for Environmental Assessment
- PNEJPhilippines Network of Environmental Journalists
- PNSNParque Nacional Sierra Nevada
- POETProtecting Our Environment Together
- POSMProtected Open Space Mapping
- POWERPhoenixville Operates With Environmental Responsibility
- PPAAPollution Prevention Assistance Account
- PPABPollution Prevention Advisory Board
- PPBAPannonian Plant Biotechnology Association
- PPCBPunjab Pollution Control Board
- PPDProject Planning Device
- PPHPhotooxidants, Particles, and Haze
- PPINPollutionaprevention Information Network
- PPJVPrairie Pothole Joint Venture
- PPNCPrairie Park Nature Center
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