List of environment topics:R
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The items listed on this page form part of the multi-page list of environment topics.
This is a list of topics related (in whole or in part) to (a) phenomena in the natural environment which have a definite or significantly possible connection with human activity or (b) features of human activity which have a definite or significantly possible connection with the natural environment, even if the connection is made indirectly through the built environment. For example, hamster has been included because the effect on the built environment can affect the natural environment. Also, factory farming (often practiced indoors) has been associated with epidemics, which do not stay indoors.
The connections can be positive (even remedial) or negative or both. Some introduced species intended to benefit the ecosystem have acted as invasive species, damaging the ecosystem. Also, different sources of energy development have both pros and cons. Furthermore, an environmental topic can be such for multiple reasons at one time, as in the case of resource extraction and processing; commodity distribution, use, and misuse; and waste disposal.
Contents: R-Rac | Rad | Rae-Rah | Rai | Raj-Ral | Ram | Ran-Rar | Ras-Raz | Rb-Rd | Re-Reb | Rec | Red | Ree | Ref | Reg-Rek | Rel-Rem | Ren-Rer | Res-Resm | Resn-Resz | Ret-Rez | Rf-Rh | Ri-Rie | Rif-Rio | Rip-Riu | Riv | Riw-Riz | Rj-Rn | Ro-Roa | Rob | Roc | Rod-Ron | Roo-Rou | Rov-Roz | Rp-Rt | Ru-Run | Ruo-Ruz | Rv-Rz
[edit] R-Rac
- rabbit-proof fence (in Australia)
- rabbits in Australia
- rabies
- race (biology)
- race in biomedicine (see "environmental responses")
- Rachel Carson (zoologist, biologist, environmentalist)
- rack railway (rack-and-pinion railway) (cog railway)
- RACV Energy Breakthrough (in Australia)
[edit] Rad
- (radial drainage system: see) drainage system
- (radial railway) interurban streetcar
- radiation (see also list of radiation topics)
- radiation of sound
- radical environmentalism
- radical values environmentalism
- radicle
[edit] Rae-Rah
- RAF Fauld Explosion (in 1944) (in the UK)
- rag and bone man (junk dealer)
[edit] Rai
- Raid (insecticide)
- rail trail (see also list of rail trails)
- rail transport (see also list of rail transport topics and list of railway companies)
- rain
- (rain barrel) cistern
- rain fade (fading of signal by rain or snow)
- rain follows the plow
- (rain forest) rainforest
- rain gauge
- (rain of fish: see) raining animals
- (rain season: see) monsoon
- rain sensor
- rain shadow
- rainbow
- (rainfall: see) precipitation (meteorology)
- rainforest
- Rainforest Action Network
- rainforest destruction
- (rainguage: see) weather
- raining animals
- rainout (nuclear fallout by rain)
- rainshadow
- (rainshadow effect: see) rain shadow
- (rainy season) wet season
- raised beach
- raised bed gardening
[edit] Raj-Ral
- rake (tool)
- rakehoe (firefighting tool)
- (Rakiura Island temperate forests: see) Stewart Island/Rakiura
- Rakiura National Park
- Ralph Nader (environmentalist)
[edit] Ram
- ram pressure
- (ram pump) hydraulic ram
- ram scoop
- Rambler Channel Typhoon Shelter
- rammed earth
- rammed-earth construction
- ramp meter (metering light)
- Ramsar Convention (Convention on Wetlands of International Importance Especially as Waterfowl Habitat)
- Ramsar list of wetlands of international importance (see also list of Ramsar sites in Scotland)
- Ramstein airshow disaster (in Germany)
[edit] Ran-Rar
- ranch
- ranch (land)
- ranching
- (ranch road: see) Farm to Market Road (F-t-M route)
- Rand McNally (publisher of maps, globes, and atlases)
- Rangantittu Bird Sanctuary
- ranger
- rapeseed (canola)
- (see under Cultivation and uses and under Rapeseed and health and under Controversy and under Pests and diseases affecting canola)
- rapid transit (see also list of rapid transit systems)
- rare disease
- rare earth
- rare earth element
- (rare gas) noble gas
- Rare-earth magnet
- rarefaction
[edit] Ras-Raz
- rat
- rat genome database (RGD)
- rat poison
- rat snake
- rat-catcher
- rate of fluid flow
- rate of heat flow
- rattlesnake (see also list of rattlesnake species and subspecies)
- raw feeding
- raw food diet
- raw water
- ray
- ray (fish)
[edit] Rb-Rd
[edit] Re-Reb
- reactor
- (Reactor Safety Study) WASH-1400
- RealClimate (commentary site on climate science)
- RealSky (digital photographic sky atlas)
[edit] Rec
- (Recent Submarine Accidents) major submarine incidents since 2000
- rechargeable battery
- (reclaimed land: see) land reclamation
- reclaimed water (recycled water)
- recombinant DNA technology
- Reconciliation Ecology
- (reconstruction of temperature record for past 1000 years) temperature record of the past 1000 years
- (recreational fishing: see) fishing
- rectenna (device for energy conversion)
- recumbent bicycle
- (recycle bin: see) dustbin
- (recycled water) reclaimed water
- recycling
- recycling of PET Bottles
- Recycling Symbol
[edit] Red
- red alga (important for building reefs)
- (red biotechnology: see) biotechnology
- (red diesel: see) diesel (see under Uses)
- red imported fire ant
- (red laser: see) laser (see under Physics and history and under Popular misconceptions)
- red lead
- (Red List) IUCN Red List (see same for "Red List of Endangered Species" and for "Red List of Threatened Species")
- Red River
- Red River Flood, 1997
- Red River Floodway
- Red Rock Canyon National Conservation Area
- (red sky: see) weather lore
- Red Spider Mite
- red tide
- reducing environment
[edit] Ree
- Reedy Creek Improvement District
- reef safe
- (reentry: see) atmospheric reentry
- reentry capsule
- (reentry vehicle: see) re-entry vehicle
[edit] Ref
- reference beam
- reference dose
- refined resource
- refinery
- refining
- reflection seismology
- (reflective barrier) radiant barrier
- reforestation
- refrigerant
- refrigerator car (refrigerated boxcar)
- refrigeration
- refrigeration cycle
- refrigerator
- refugee camp
- refurbishment
- (refuse) waste
- (refuse disposal) waste management
[edit] Reg-Rek
- regeneration
- Regina Cyclone
- regional park
- Register of Parks and Gardens
- Registration, Evaluation and Authorization of Chemicals
- (Registry of Toxic Effects of Chemical Substances) RTECS
- regulation of science
- (regulatory biology: see) homeostasis
- (reindeer lichen) (reindeer moss) Cladonia rangiferina
[edit] Rel-Rem
- (relative dB: see) decibel
- relative humidity
- relative pressure
- relative thermal resistance
- Reliant Energy (a Texas energy company)
- Relief International
- (relief precipitation: see) orographic lift
- remanufacturing
- remediation
- remote control vehicle
- remotely piloted vehicle (RPV)
[edit] Ren-Rer
- render safe procedure
- (rendering plant: see) industrial rendering
- Renewable and Appropriate Energy Laboratory
- renewable energy (sources) (RES)
- renewable energy development
- renewable resource
- renovation
- repair and maintenance (a means of waste management)
- replication
- (Report From Iron Mountain) The Report From Iron Mountain
- reproduction
- reproductive technology
- reprogenetics
[edit] Res-Resm
- research
- research and development
- research balloon
- Research Institute of Crop Production
- Research Natural Area
- research station
- research vessel
- (resequent stream: see) fluvial landforms of streams
- reservation
- reservoir (water) (see also list of reservoirs and dams)
- (reservoir lake: see) lake
- (residence: see) house
- (resident animal: see) migration
- residential garden
- residual fuel
- Resistance Temperature Detector
- resistance thermometer
- resistojet rocket
[edit] Resn-Resz
- resort
- resource
- Resource Conservation and Recovery Act
- resource curse
- resource depletion
- resource economics
- resource extraction
- Resource Management Act (RMA) (in New Zealand)
- resource rent
- resources camp
- respect diversity
- respect for diversity
- restoration ecology
- restricted use pesticides
- Restriction of Hazardous Substances Directive (RoHS) (in Europe)
- (restroom: see) washroom architecture
- resurgent dome
- resurrection ecology
[edit] Ret-Rez
- Reticulated Python
- reverberation
- reverberation room
- reverberatory furnace
- reversible fuel cell (RFC)
- reversible lane (contraflow lane)
- Reversing Falls
[edit] Rf-Rh
- RFID (Radio Frequency Identification)
- rheology
- Rhine
- rhinoceros
- Rhône River
- ("Rhus toxicodendron" or "Toxicodendron radicans") poison-ivy (plant)
[edit] Ri-Rie
- ria (drowned river valley) (drowned valley)
- (rice blast fungus) Magnaporthe grisea
- (rice paddy) paddy field
- rice paper
- (Rice-Paper Plant) Tetrapanax
- Richter magnitude scale (for measuring earthquakes)
- Rickettsia (parasitic bacteria which transmit diseases)
- ridge
- ridge and furrow
- ridge-push
[edit] Rif-Rio
- rift (geology)
- rift valley
- Rift Valley Fever (viral disease transmitted by mosquitoes)
- right of public access to the wilderness
- rim (craters)
- (rim of fire: see) Pacific Ring of Fire
- rime (frost)
- rinderpest (RP) (infectious viral disease of cattle)
- Rio Declaration on Environment and Development
- Río Plátano Biosphere Reserve
- (Rio Summit: see) Earth Summit
[edit] Rip-Riu
- rip current (rip tide) (riptide) (rip)
- riparian
- riparian forest
- riparian strips
- riparian water rights (riparian rights)
- Risø (Risø National Laboratory, in Denmark)
- riser (see usage in plumbing or sewage disposal)
- Risk and Safety Statements
- risk assessment
- risk for infection
[edit] Riv
- river (see same for "river mouth" and for "river system") (see also list of rivers and list of rivers by average discharge and list of rivers by length and list of rivers in the Great Basin)
- (River Amazon) Amazon River
- (river bank: see) stream bed
- (river basin: see) drainage basin
- (river blindness) onchocerciasis (infectious disease, by a parasitic worm, causing blindness)
- (River Danube) Danube
- river delta
- (river gage) stream gage
- River Keepers
- River Landscapes
- (river lengths: see) list of rivers by length
- (River Nile) Nile
- (River Rhine) Rhine
- (River Rhône) Rhône River
- (river source: see) source (river or stream)
- riverboat
[edit] Riw-Riz
[edit] Rj-Rn
[edit] Ro-Roa
- road (see under Construction and under Maintenance) (see also list of roads and highways)
- (road accident: see) car accident
- road accident statistics on a model-by-model basis
- road bicycle
- (road bridge: see) bridge
- (road cone) traffic cone
- (road congestion: see) traffic congestion
- road fauna (road kill)
- road rage (phenomenon) (road violence)
- road safety
- (road salt: see) sodium chloride
- (road traffic engineering: see) traffic engineering (transportation)
- Road Traffic Safety Law of the People's Republic of China
- road train
- road transport (road transportation)
- (road vehicle: see) road transport
- (roadable aircraft: see) flying car
- roadblock
- Roads Beautifying Association
- Roads to Resources Program
- roadway air dispersion modeling
- roadway noise
- roadworks
[edit] Rob
- Robert Bateman (artist) (horticulturist)
- Robert Bateman (naturalist) (naturalist and wildlife artist)
- Robert Hart (forest gardener)
- Robert Hill (plant biochemist)
- Robert Watson (scientist) (on climate change and global warming)
- robot (see under Contemporary uses of robots and under Possible dangers)
- robotics
- (robust nuclear earth penetrator: see) nuclear bunker buster
[edit] Roc
- rock (geology)
- rock blasting
- rock climbing
- rock formation
- rock formations
- rock garden (rockery) (alpine garden)
- (rock oil: see) naphtha
- rocket
- rocket fuel
- rocket plane
- Rocky Mountain locust
- Rocky Mountains
[edit] Rod-Ron
- roe (egg)
- Roe v. Wade
- rolling blackout
- Rolling Mill Mine (coal mine and disaster site)
- Roman candle
- Roman road
- Röntgen equivalent man (rem)
- (Röntgen radiation: see) X-ray
- (Röntgen ray) X-ray
[edit] Roo-Rou
- roof garden
- room temperature
- (room temperature and pressure: see) normal temperature and pressure
- root
- (rot) decomposition
- (rotary intersection) roundabout
- (rotation of crops) crop rotation
- (roundabout intersection) roundabout
- Roundup (herbicides)
- roundworm (see under Parasitic species)
[edit] Rov-Roz
- Royal Australasian Ornithologists Union (also known as Birds Australia) ("birding association")
- Royal Botanic Gardens, Kew
- Royal Geographical Society
- Royal Parks of London
- Royal Society for the Prevention of Accidents
- Royal Society for the Prevention of Cruelty to Animals
- Royal Society of Wildlife Trusts (Royal Society for Nature Conservation)
- Royal Swedish Academy of Agriculture and Forestry
- royal forest
- royalty trust
[edit] Rp-Rt
[edit] Ru-Run
- rubber
- Rubbia reactor
- (rubbish) waste
- (rubbish bags: see) bin bag
- (rubbish dump) landfill
- rubble trench foundation
- rules of the road
- rumble strip
- (rummage sale) garage sale (a means of waste management)
- runoff (water)
- runway (airport runway)
[edit] Ruo-Ruz
- rural
- rural delivery service (Rural Free Delivery) (RFD)
- rural exodus (from rural areas to urban areas)
- rural flight (from the countryside to towns and cities)
- rural infrastructure
- rural migration (from rural areas to cities)
- Rural Utilities Service (Rural Electrification Administration)
- (Rush Limbaugh/Environmental wacko: see) Environmentalist Wacko, Econazi and Ecoterrorists
- rush hour
- rushlight (a type of candle)
- Russia and weapons of mass destruction
- Russian Federal Space Agency
- Russian honeybee (with natural mite resistance)
- Russian Plain
- (Russian space program: see) Soviet space program
- rust (a type of chemical corrosion)
- rust (fungus) (including many plant parasites)
[edit] Rv-Rz
- ryegrass (livestock feed, soil retainer, whose pollen causes hay fever)
