list of environment topics

This page aims to list articles related to the natural environment. This is so that those interested in the subject can monitor changes to the pages by following the Related changes link. This list is not necessarily complete or up to date; if you see an article that should be here but is not (or one that should not be here but is), please update the page accordingly.

• Pachmarhi Biosphere Reserve
• Pacific-Antarctic Ridge
• Pacific (ocean)
• Pacific Coast Ranges
• Pacific decadal oscillation
• Pacific Fishery Management Council (PFMC)
• Pacific Gas and Electric Company (PG&E)
• Pacific Marine Environmental Laboratory (PMEL)
• (Pacific Mountain System: see) Geography of the United States Pacific Mountain System
• Pacific Northwest National Laboratory (PNNL)
• Pacific Northwest Seismograph Network (PNSN)
• Pacific Remote Islands National Wildlife Refuge Complex
• Pacific Ring of Fire
• Pacific temperate rain forests
• Pacific Tsunami Warning Center
• (pack ice: see) sea ice
• pack rat (trade rat) (wood rat)
• packaging and labelling
• packhorse bridge
• paddle steamer (paddleboat) (paddlewheeler)
• (paddlewheel steamboat: see) riverboat
• paddy field
• Padre Island National Seashore
• paint
• paint stripper
• (paint thinner: see) turpentine substitute
• (painting basic topics) list of painting topics
• painting oil
• Pakistan's Satellite Launch Vehicle
• Paks Nuclear Power Plant (in Hungary)
• paleobotany
• paleoclimatology
• paleoecology
• (paleogeography) palaeogeography
• paleogeology
• paleolimnology
• paleomagnetism
• paleontology
• paleosol
• paleotempestology
• (paleowater) fossil water
• paleozoology
• Palestinian Environmental NGOs Network
• Palm Sunday Tornado Outbreak
• Palm Sunday Tornado Outbreak II
• Palo Verde Nuclear Generating Station
• Palomar Observatory
• palynology
• palytoxin
• Panama disease (a banana plant disease)
• panbiogeography
• pandemic (see also list of epidemics)
• Pangaea
• Pangaea Ultima
• paper
• paper chromatography
• paper engineering
• (paper mail) snail mail
• paper mill
• Paper Mulberry
• (paper pulp: see) pulpwood
• (paper recycling: see) recycling
• paper shredder
• paper towel
• paper wasp
• paperboard
• paperless office
• Papua New Guinea stilt house
• papyrus
• Para rubber tree (Pará rubber tree)
• parable of the broken window (an economics topic with environmental relevance)
• paradise
• Paradise River Hydroelectric Generating Station
• paradise garden
• paraffin
• (paraffin lamp) kerosene lamp
• (paraffin oil) kerosene
• (parahydrogen: see) orthohydrogen
• (parallel drainage system: see) drainage system
• parametrization (climate)
• parasite
• parasitic worm
• parasitoid
• parasitology
• (parasol: see) umbrella
• (parazoa: see) sponge
• parchment
• parclo interchange (partial cloverleaf interchange)
• park (see also list of national parks)
• park and ride
• parking
• (parking garage: see) multi-storey car park
• parking lot
• parking space
• Parks Canada
• parkway
• (Parsons turbine: see) steam turbine
• (partial lunar eclipse: see) lunar eclipse
• partial zero-emissions vehicle (PZEV)
• (partially hydrogenated soybean oil: see) trans fat
• (partially hydrogenated vegetable oil: see) trans fat
• particle (ecology)
• particle board
• particle detector
• particle physics
• particle radiation
• parts per million
• particulates (particulate matter) (PM)
• passenger car (passenger carriage) (of a train)
• (passenger conveyor: see) escalator
• (passenger jet: see) jet airliner
• passenger pigeon (extinct bird)
• passenger ship (passenger liner)
• (passenger train: see) train
• passenger train human waste disposal
• passerine (bird of the order Passeriformes)
• Passive infrared sensors (PIRs)
• passive component (see same for "passive filter")
• passive radar
• passive radiator
• passive safety feature
• (passive smoking: see) tobacco smoking
• passive solar (heating)
• (passive sonar: see) sonar
• passively safe
• pasteurization
• pathogen
• (pavement: 2 meanings selected from the disambiguation page)
  • pavement (roads)
  • (pavement [British English]) sidewalk
• (pea and bean weevil: see) bean weevil (seed beetle)
• peace park
• peaceful coexistence
• peak ground acceleration (for measuring earthquakes)
• (peak hour) rush hour
• (peak land value intersection) PLVI
• (peak oil: see) Hubbert peak
• (Peak XV) Mount Everest
• pearl
• peasant foods
• peat
• (peat bog: see) bog
• pebble bed reactor
• (pedal bicycle) bicycle (pedal cycle)
• pedestrian
• pedestrian-friendly
• pedestrian crossing (crosswalk)
• (pedestrian overpass: see) overpass
• (pedestrian scramble) Barnes Dance
• pedestrian street (pedestrian mall)
• (pedestrian underpass: see) tunnel
• (pedestrian zone) auto-free zone (car-free zone) (pedestrianized zone)
• (pedicab) cycle rickshaw (velotaxi) (trishaw)
• pedology (soil study)
• pelagic zone
• Pelee, Ontario
• pelican crossing (from pelicon crossing: pedestrian light-controlled crossing, a synonymous term)
• Pelican Island National Wildlife Refuge
• Pemex (Petróleos Mexicanos) (Mexico's state-owned, nationalized petroleum company)
• pencil lead (not lead)
• peninsula
• penstock
• (penumbral eclipse: see) lunar eclipse
• (peoplecarrier: see) minivan
• people mover
• (people food: see) food
• People for the Ethical Treatment of Animals
• pepper spray
• Percy Schmeiser (farmer)
• periodic table (periodic table of the chemical elements) (Mendeleev periodic table)
• permaculture
• permanent crop
• permanent water rights (Alberta)
• permeability (geology)
• permeable paving
• (permissive waste: see) waste (law)
• perpetual motion
• Perseids (Perseid meteor shower)
• (Persian wheel) water wheel (waterwheel) (Norse mill) (noria)
• Persistent Organic Pollutant (POP)
• personal rapid transit (PRT)
• personal water craft
• perverse effects of vaccination
• pesco/pollo vegetarianism (pescetarianism) (semi-vegetarianism)
• pest (animal)
• pest control
• pest control of slugs
• pest zapper
• pesticide
• pesticide misuse
• pesticide poisoning
• pesticide side effects
• pesticide toxicity to bees
• pestilence
• pet
• (pet burial: see) burial
• (pet cat: see) cat (see under Environmental effects)
• (pet cemetery: see) cemetery (see under Cemeteries for pets)
• pet cloning (see under "Controversy")
• (pet fish: see) aquarium (see especially under Ecology) (see also list of aquaria)
• (pet raccoon: see) raccoon (see under "Raccoons as pets")
• pet skunk (see under Rabies)
• pet store (pet shop)
• Petri dish
• petrifaction (petrification)
• Petrified Forest National Park
• petrified wood
• petrifying well
• Petro-Canada
• Petrobras 36 Oil Platform
• petrochemical
• petrochemicals
• petrochemistry
• PetroChina (PetroChina Company Limited)
• petrocide
• petrocurrency
• (petrodiesel: see) diesel
• petrodollar
• petrodollar recycling
• petroform
• petroglyph (an image recorded on stone)
• Petroglyphs Provincial Park
• petrography
• (petrol) gasoline (motor spirit)
• (petrol barrel: see) barrel (unit)
• (petrol bomb) Molotov cocktail
• (petrol engine) gasoline engine
• (petrol oil) petroleum (crude oil)
• (petrol pump: see) filling station (gas station) (petrol station)
• (petrol station) filling station
• (petrol tax) fuel tax (gasoline tax) (gas tax) (fuel duty)
• (petrolatum) petroleum jelly (brand name "Vaseline")
• petroleum (crude oil)
• petroleum coke
• (petroleum crisis: see) energy crisis
• (petroleum disaster) oil spill
• petroleum engineering
• (petroleum ether) benzine
• petroleum geochemistry
• petroleum geology
• (petroleum industry: see) history of the petroleum industry in North America
• petroleum jelly (petrolatum) (brand name "Vaseline")
• petroleum maturation
• petroleum politics
• petroleum product
• (petroleum refinery) oil refinery
• petroleum revenue tax (PRT) (in the United Kingdom)
• (petroleum war: see) oil imperialism theories
• petrolhead (a type of person)
• Petrolia, Ontario ("Canada's Victorian Oil Town")
• (Petrolite) Baker Petrolite (company)
• petrology
• Petronas (Petroliam Nasional Berhad) (Malaysia's state-owned oil and gas company)
• Petronius Platform (oil rig)
• (Petróleos Mexicanos) Pemex (Mexico's state-owned, nationalized petroleum company)
• Petróleos de Venezuela (Petróleos de Venezuela, S.A.) (PDVSA) (Venezuelan state-owned petroleum company)
• (pets and work animals as a food source: see) taboo food and drink
• Petten nuclear reactor (in Petten, the Netherlands)
• petting zoo
• (pharmaceutical chemistry) medicinal chemistry
• pharmaceutical company
• (pharmaceutical industry: see) list of pharmaceutical companies
• (pharmaceutical product: see) medication
• pharmaceutics
• pharmacodynamics
• pharmacogenetics
• pharmacogenomics
• pharmacokinetics
• pharmacology
• pharmacopoeia (pharmacopeia)
• pharmacophore
• pharmacovigilance
• pharmacy
• pharming (genetics)
• phase change heat pump
• (phases of water cycle: see) water cycle
• Philippine Eagle ("slowly dwindling in numbers")
• photobiology
• photochemical reaction
• photochemistry
• photohydrogen
• (photopollution) light pollution (luminous pollution)
• photosynthesis
• photosynthetic pigment
• photosynthetically active radiation (PAR)
• photosystem (photosynthetic reaction center)
• (phototherapy) light therapy
• phototoxic
• photovore
• physical chemistry
• physical geography
• physical oceanography
• physical science
• physics (see also list of physics topics)
• (Physiographic Regions of the United States: see) United States physiographic region
• (physiological dead space: see) dead space
• physiological plant disorders
• physiology
• phytochemical (phytonutrient) (see also list of phytochemicals and foods in which they are prominent)
• phytochemistry
• phytochrome
• phytoestrogen
• phytohaemagglutinin (PHA) (phytohemagglutinin)
• (phytohormone) plant hormone (plant growth regulator) (PGR)
• (phytology) botany (plant science[s]) (plant biology)
• phytonomy
• (phytonutrient) phytochemical
• phytopathology
• (phytophagia: see) phagy
• (phytophagy: see) phagy
• phytoremediation (treatment of environmental problems by means of plants)
• (phytotherapy) herbalism
• phytotreatment
• picotechnology
• piezoelectric microbalance
• piezoelectric motor
• piezoelectricity
• pigment
• Pigovian tax (see under Pollution taxes)
• pile
• pile dwellings
• piledriver
• pile-up (traffic accident involving many vehicles)
• Pilot project on Delivery of water to households far from sources of safe water
• pinworm (a parasitic roundworm)
• pioneer plant
• pioneer species
• pipeline inspection gauge (PIG)
• pipeline transport
• piston
• (piston engine) reciprocating engine
• placer deposit
• placer mining
• plague
• plague pit
• plain
• (planet Earth) Earth
• planetarium
• (Planétarium de Montréal) Montreal Planetarium
• planetary boundary layer (PBL)
• planetary ecosynthesis
• planetary engineering
• planetary protection
• planetary science (planetology) (planetary astronomy)
• planktology
• plankton
• (planned city: see) new town (planned community)
• planned obsolescence
• planned ruins
• plant
• plant-based diet
• plant-made pharmaceuticals (PMPs) (biopharming)
• (plant biology) botany
• (plant biotechnology: see) plant breeding
• plant breeders' rights (plant variety rights) (PVR)
• plant breeding
• (plant community: see) biocoenosis (biocoenose) (biocenose) (biotic community) (ecological community) (see also list of plant communities in the British National Vegetation Classification)
• (plant disease: see) phytopathology (plant pathology)
• plant embryogenesis
• (plant fiber: see) fiber crop
• (plant growth substance) plant hormone (plant growth regulator) (PGR)
• (plant hardiness zone: see) USDA plant hardiness zone
• plant hormone (plant growth regulator) (PGR)
• (plant improvement: see) plant breeding
• (plant invasion: see) invasive species
• (plant nursery: see) nursery (horticulture)
• plant nutrition
• (plant pathology) phytopathology
• plant physiology
• plant propagation
• (plant science) botany
• plant senescence
• plant sexuality
• (plant succession: see) ecological succession
• plant tissue culture
• (plant variety rights) (PVR) plant breeders' rights
• plant virus
• plantation
• plantation economy
• plantation era
• (planting) sowing
• plastic (see under The environment, especially under Biodegradable Plastics)
• (plastic bag: see) plastic shopping bag
• plastic bullet (plastic baton round)
• (plastic electronics) organic electronics
• plastic explosive (plastique)
• plastic goods
• plastic limit (soils) (for water content)
• plastic mulch
• plastic recycling
• (Plastic Recycling Code: see) resin identification code
• plastic shopping bag
• plastic wrap (cling-film)
• plastics engineering
• plate tectonics
• plateau
• plough (plow)
• plowshare (ploughshare) (plough share)
• plug (horticulture)
• plumbing
• plumbing drainage venting
• plumbing fixture
• plutonium
• (plutonium economy) fast breeder (fast breeder reactor) (FBR)
• pluvial lake
• (pneumatic drill) jackhammer (pneumatic hammer)
• pneumatic filter
• (pneumatic tire) tire (tyre) (pneumatic tyre)
• pneumatic tool
• pneumatic tube (pneumatic mail) (pneumatic post)
• pneumatics
• pneumoconiosis
• pneumonoultramicroscopicsilicovolcanoconiosis
• poaching
• point of no return (a topic in social psychology, with environmental relevance)
• poison
• poison dart frog (poison arrow frog)
• poison control center (PCC)
• (poison gas: see) chemical warfare
• (poison hemlock: see) Conium
• (poison oak: see) Toxicodendron
• Poison Sumac (Toxicodendron vernix or Rhus vernix)
• poison-ivy (plant)
• (poisoning, carbon monoxide: see) carbon monoxide poisoning
• (poisonous fungus: see) mushroom poisoning
• (poisonous mushroom: see) mushroom poisoning
• poisonous snake
• (polar aurora) aurora (astronomy)
• (polar cap) polar ice cap
• polar circle
• polar climate
• (polar day: see) midnight sun
• polar easterlies
• polar high
• polar ice cap
• (polar light: see) aurora (astronomy)
• polar low
• (polar mesospheric cloud) noctilucent cloud
• Polar Mesospheric Summer Echos (PMSE)
• polar night
• polar region
• (polar reversal) magnetic polarity reversal
• polar stratospheric cloud (PSC) (nacreous cloud)
• polarization
• pole of inaccessibility
• pole shift theory
• polio vaccine
• poliomyelitis (infantile paralysis) (see same for "poliovirus" [PV])
• (political ecologist: see) Green movement
• political ecology
• pollen
• pollen basket (of honeybee)
• pollen core
• pollen count (concentration in air)
• pollen source
• pollen tube (of plant)
• pollen zone
• pollenizer (polleniser) (plant that provides pollen)
• pollination
• pollination management
• pollinator (agent that moves pollen)
• pollinator decline
• pollutant
• Polluter Pays
• polluter pays principle
• (polluting emission: see) emission
• pollution
• (pollution credit: see) emissions trading
• (pollution pump: see) exhaust gas recirculation (EGR)
• polychlorinated biphenyl (PCB)
• polyculture
• polycyclic aromatic hydrocarbon (PAH)
• polyester
• (polyester recycling: see) Recycling of PET Bottles
• polymer
• polymer chemistry (macromolecular chemistry)
• polymer clay
• polymer degradation
• polymer physics
• polymer solar cells
• polymerase
• polymerase chain reaction (PCR)
• polymeric membranes
• polymerization
• polymorphism (biology)
• (polyphagy: see) phagy
• (polytetrafluoroethylene) (PTFE) teflon (see especially under "Toxicity")
• polyvinyl chloride (PVC)
• polywater
• POP Air Pollution Protocol (Protocol to the 1979 Convention on Long-Range Transboundary Air Pollution on Persistent Organic Pollutants)
• (pop can) aluminum can (aluminium can)
• population (see also list of countries by population)
• population biology
• population bottleneck (genetic bottleneck)
• (population cartogram: see) cartogram
• (population census: see) census
• population control
• (population count: see) census
• population decline
• population density
• population dynamics
• population ecology
• (population exchange: see) population transfer
• (population explosion: see) overpopulation
• population genetics
• population geography
• population growth
• population growth rate
• population history of American indigenous peoples (see under Depopulation from disease)
• population of Atlanta
• population of Brazil
• population of British Columbia in 1800's
• population of England
• (population of Finland: see) demographics of Finland
• population of India
• population of Metropolitan Chicago
• (population of Paris: see) demographics of Paris
• population of Texas cities in 2000
• population of the Byzantine Empire
• (population of the United States: see) demographics of the United States
• population process (including environmental and ecological applications)
• population size
• population statistics
• (population time bomb: see) overpopulation
• population transfer
• population transfer in the Soviet Union
• population viability analysis (PVA)
• pork tapeworm (infecting pigs and humans)
• portable stove (see "wild animals" in paragraph 2 and see "hazardous waste" in paragraph 4, both under Advantages and disadvantages)
• Portland cement
• (positive lightning: see) lighting
• positive pressure
• positive pressure ventilation
• positive streamer
• positron emission tomography (PET)
• post-consumer waste
• post-exposure prophylaxis (PEP)
• post-glacial rebound
• post-harvest handling
• post-industrial economy
• post-industrial society
• post scarcity
• (potability: see) water
• potability of backcountry water
• (potable: see) drinking water
• (potable water: see) drinking water
• potash
• potassium hydroxide (caustic potash) (potassa) (potash lye) (potassium hydrate)
• potato ("the world's most important non-cereal crop")
• (potato blight: see) Phytophthora infestans
• (potato bug) Jerusalem cricket (Stenopalmatus) (niño de la tierra) (old bald-headed man)
• potato famine
• (potato fungus) Phytophthora infestans
• potato spindle tuber viroid (PSTV) (see PSTV)
• (potential chemical warfare agent: see) chemical warfare
• potential energy
• potential evaporation
• potential evapotranspiration (PET)
• (potential hill: see) potential well
• potential temperature
• potentially hazardous asteroid (PHA)
• pottery
• potty
• pouched rat (see "monkeypox")
• poultry
• poultry disease
• powdery mildew
• power (physics)
• power strip (power bar) (gangplug) (multibox)
• (power conservation) energy conservation
• power consumption
• power control (electric power control)
• power conversion
• (power cut) power outage
• power delivery
• (power density) specific power (power per unit mass)
• (power distribution: see) electricity distribution
• power engineering
• (power excursion) criticality accident
• (power failure) power outage
• (power generation) electricity generation
• (power grid: see) electric power transmission
• (power inverter: see) inverter (electrical)
• power level
• (power line: see) electric power transmission
• power management
• (power meter: see) electricity meter
• power outage (power cut) (power failure) (see also list of power outages)
• power station (power plant)
• power supply in Norway
• (power surge) voltage spike (power spike)
• power transfer
• power transmission
• (power unit: see) electrical generator
• power word (see under Environmental Issues)
• PR Watch (see under Articles)
• prairie
• (pre-consumer waste: see) recycling
• precautionary principle
• precipitation (meteorology)
• precision agriculture (precision farming)
• precision seeding
• predation
• pregnant leach solution (PLS)
• prehistoric life
• preservation
• preservationist
• preservative
• (preserved food) food preservation
• (President's Council on Bioethics) The President's Council on Bioethics
• (pressure-treated lumber: see) lumber (see under "Preservatives")
• (pressure-treated wood: see) lumber (see under "Preservatives")
• (pressure barrier osmosis: see) osmosis
• (pressure lamp: see) kerosene lamp
• (pressure sickness: see) diving hazards and precautions
• (pressure tank: see) pressure tank
• pressure vessel
• pressurized water reactor (PWR)
• preventive maintenance (PM) (a means of waste management)
• (preventive measure: see) risk
• preventive medicine
• (preventive paradigm: see) precautionary principle
• Price-Anderson Nuclear Industries Indemnity Act
• (price of Earth) value of Earth
• primary energy
• primary nutritional groups
• primary producer
• primary production (production of biological organic compounds)
• primary sector of industry (see same for "primary products")
• primate
• (primate extinction: see) ape extinction
• primatology
• primer (paint)
• prior appropriation water rights
• probiotic
• processed cheese
• (processed food: see) food preservation
• (processed meat: see) meat
• (Processing of Cotton: see) cotton
• processing of coffee
• Procession of the Species (an annual Earth Day celebration)
• (producer gas) wood gas (syngas)
• producer species
• productivism
• products based on refined oil
• Professional Lighting Design (magazine)
• prohibitory traffic sign
• projectile
• (projection [cartography]: see) map projection
• prokaryote (see under Environment)
• propane
• (propane refrigeration: see) absorptive refrigeration
• propellant
• propeller
• (propeller wind generator: see) wind turbine
• Property and Environment Research Center (PERC)
• proposed future transport
• propulsion method
• prospecting
• prospector
• protected area
• protected areas
• protected areas of California
• protected areas of Finland
• protected areas of Michigan
• protein biosynthesis
• protein engineering
• protein synthesis
• protein toxicity
• Protocol on Environmental Protection to the Antarctic Treaty
• proton-exchange fuel cell (Polymer Electrolyte [Membrane] Fuel Cell) ("PEM" or "PEMFC")
• proton-proton chain reaction
• protozoa
• protozoology
• psychedelic mushroom
• psychedelics, dissociatives and deliriants (see under Hallucinogenic plants, fungi, and animals)
• public awareness of science
• public health
• Public Health Cigarette Smoking Act
• public health law
• Public Interest Research Groups (PIRGs)
• Public Land Survey System
• (public lavatory: see) toilet
• public light bus
• (public park: see) park
• (public restroom: see) toilet
• Public Safety
• Public Safety and Emergency Preparedness Canada
• public transit
• public transport (public transit)
• public utility
• public works
• Puerto Rican dry forests
• Puerto Rico Trench
• puffin crossing (pedestrian user-friendly interface)
• Puget Sound environmental issues
• (pulp: see) wood pulp
• pulp and paper industry
• (pulp mill: see) wood pulp
• pulper (in agriculture; in the wood-processing industry; in recycling)
• pulping
• pulpwood
• pulse (legume)
• pulse jet engine
• pulsed power
• pumice
• pump boat
• (pump jack) nodding donkey
• pumped-storage hydroelectricity
• (pumper truck: see) fire engine
• pumping for use in water purification systems
• Pumping Station
• pumping station
• (pumping test: see) aquifer test
• puppy mill
• Pure Food and Drug Act
• purification
• purified water
• purity
• putrefaction
• pyrocumulus
• pyroelectricity
• pyrometallurgy
• pyrotechnics