Environment	issues related to interaction of humans and the rest of the universe.	rlriall	2002-06-27	2002-06-27	1
Environment.Atmosphere	definition pending.	rlriall	2003-03-01	2003-03-01	1
Environment.Atmosphere.Ozone_Depletion	definition pending.	rlriall	2003-03-01	2003-03-01	1
Environment.Climate_Change	global and local changes in long-term cumulative weather patterns, and the effects of such changes on the remainder of the environment.	rlriall	2002-06-27	2002-06-27	1
Environment.Climate_Change.Biological_Productivity	the waxing and waning of specific organisms or groups of organisms due to climate changes.	rlriall	2002-06-27	2002-06-27	1
Environment.Climate_Change.Greenhouse_Gases	the possible role of greenhouse gases such as carbon dioxide in climate warming.	rlriall	2002-06-27	2002-06-27	1
Environment.Climate_Change.Human_Impact	human effects on climate, including gas emissions.	rlriall	2002-06-27	2002-06-27	1
Environment.Climate_Change.Sea_Level	sea level decreases with global cooling due to the entrapment of water in polar ice, and increases with global warming; associated issues include the potential effects on coastlines and coastal organisms.	rlriall	2002-06-27	2002-06-27	1
Environment.Climate_Change.Sedimentation	changes in sediment deposition related to changes in temperature, humidity, rainfall, ecological communities, and availability of certain elements.	rlriall	2002-06-27	2002-06-27	1
Environment.Conservation	issues related to the preservation of the current or pre-modern-industrial environmental state.	rlriall	2002-06-27	2002-06-27	1
Environment.Conservation.Species	definition pending.	rlriall	2003-03-01	2003-03-01	1
Environment.Ecological_Change	change in the composition and structure biological populations, in their environment, and in the relations between the two.	rlriall	2002-06-27	2002-06-27	1
Environment.Ecological_Change.Deforestation	definition pending.	rlriall	2003-03-01	2003-03-01	1
Environment.Ecological_Change.Human_Overpopulation	definition pending.	rlriall	2003-03-01	2003-03-01	1
Environment.Ecological_Change.Invasive_Species	non-native species which replace indigenous species in their niches.	rlriall	2002-06-27	2002-06-27	1
Environment.Ecological_Change.Restoration	efforts and problems of returning ecologically-altered systems to their pre-modern-industrial states.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat	an environment discussed in relation to the organisms which it nourishes.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Carbon_Cycle	the movement of carbon through biological, atmospheric, aquatic, and geological components of the environment at a global or local level, especially as it relates to habitat conditions.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Currents	the effect of fluid, especially water, movement on a subaquatic habitat.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Currents.Interaction_with_Animals	definition pending	rlriall	2003-09-01	2003-09-01	1
Environment.Habitat.Currents.Interaction_with_Vegetation	the effects of currents and current changes on vegetal growth, population composition, and extent.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Drainage	the effects of water drainage, or outflow from a system, on habitat.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Fragile_Ecosystems	habitats which are sensitive to relatively small environmental changes.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Fragile_Ecosystems.Coral_Reefs	submarine reefs formed by massive corals; these reefs are habitats of unique multi-kingdom communities, but are readily destroyed by damage to or mortality of the coral substrate.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Fragile_Ecosystems.Polar_Ecosystems	the regions near the north and south poles are habitats for cold-adapted organisms threatened by melting and pollution at the poles.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Fragile_Ecosystems.Seagrass_Beds	seagrass beds act as shelter and food for specially-adapted organisms which may not survive when the seagrass dies off or the bed is invaded by an alien species.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Fragile_Ecosystems.Seep_and_Vent	unusual, often chemosynthetic ecosystems develop around water seeps and hydrothermal vents.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Fragile_Ecosystems.Wetlands	the ecosystems of wetlands, which include specific plant, animal, and microbial communites; because wetlands are easily destroyed by the alteration of ground-water flow, these ecosystems are considered fragile.	rlriall	2002-06-27	2002-06-27	aallwardt	2004-11-04
Environment.Habitat.Human_Impacts	the effects of human activities on habitats.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Mercury_Cycle	the movement of mercury, which is a component of some cumulative neurotoxins, through biological, geological, hydrological, and atmospheric systems.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Morphology	the shape and relief of an are as it relates to the ecosystems within.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Nutrient_Cycle	the cycling of nutrients - nitrogen and phosphor compounds - through biological, geological, hydrological, and atmospheric systems.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Sediments	the effects of sediment physical/chemical properties and transport on the habitats in which they exist.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Sediments.Properties	the physical and chemical properties of sediments as they relate to habitats.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Sediments.Stability	the stability - or lack of significant mass movement - of sediments as it relates to adjacent ecosystems.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Water_Cycle	the movement of water through ground, atmosphere, organisms, and water bodies as it impacts  ecosystems.	rlriall	2002-06-27	2002-06-27	1
Environment.Habitat.Weather	weather and changes in weather as they relate to ecosystems.	rlriall	2002-06-27	2002-06-27	1
Environment.Nuclear_Testing	the environmental effects of tests of nuclear weapons or other devices.	rlriall	2002-06-27	2002-06-27	1
Environment.Pollution	the effects of toxins and other artificial materials on ecosystems.	rlriall	2002-06-27	2002-06-27	1
Environment.Pollution.Acid_Rain	the effects of acid rain - rain made acidic by the accumulation of dissociative ions from industrial pollution.	rlriall	2002-06-27	2002-06-27	1
Environment.Pollution.Bacterial_Digestion	the removal and stabilization of pollutants from an ecosystem by bacteria.	rlriall	2002-06-27	2002-06-27	1
Environment.Pollution.Concentration_in_Food_Chain	the incremental accumulation of pollutants in a food chain, so that with each tier of consumption more toxins are concentrated.	rlriall	2002-06-27	2002-06-27	1
Environment.Pollution.Heavy_Metals	the behavior of heavy metal isotopes in and their effects on environments.	rlriall	2002-06-27	2002-06-27	1
Environment.Pollution.Inorganic_Chemicals	the behavior of inorganic pollutants in and their effects on environments.	rlriall	2002-06-27	2002-06-27	1
Environment.Pollution.Interaction_with_Sediments	the trapping, transport, and release of pollutants as they interact with sedimentary particles.	rlriall	2002-06-27	2002-06-27	1
Environment.Pollution.Mine_Drainage	the causes, behavior, and impacts of the acidic and generally toxic	rlriall	2002-06-27	2002-06-27	1
Environment.Pollution.Nutrients	the behavior, sources, and effects of nutrients in the environment- nitrogen- and phosphor-bearing compounds which, in excess, may unbalance an ecosystem.	rlriall	2002-06-27	2002-06-27	1
Environment.Pollution.Organic_Chemicals	the interaction, sources, and impacts of anthropogenic organic chemicals - often highly-reactive compounds containing bonded carbons and hydrogens.	rlriall	2002-06-27	2002-06-27	1
Environment.Pollution.Public_Health	the effects of pollution on human health, and the sources and behaviors of pollution that endanger such.	rlriall	2002-06-27	2002-06-27	1
Environment.Pollution.Radioactive_Waste	the sources, movement, and impacts of radioactive pollutants on the environment.	rlriall	2002-06-27	2002-06-27	1
Environment.Pollution.Runoff	the drainage and effects of agricultural, industrial, and other pollutants.	rlriall	2002-06-27	2002-06-27	1
Environment.Sediment	the behavior and properties of sediment as they relate to the environment - but not, as in Environment.Habitat.Sediments, necessarily in an ecosystem context.	rlriall	2002-06-27	2002-06-27	1
Environment.Sediment.Deposition	the effects of sediment deposition on the rest of the environment, or the reverse.	rlriall	2002-06-27	2002-06-27	1
Environment.Sediment.Deposition.Natural_Processes	the effects of natural sediment deposition and depositional patterns on the rest of the environment, or the environmental factors that influence sediment deposition.	rlriall	2002-06-27	2003-02-01	1
Environment.Sediment.Deposition.Waste_Disposal	the behavior of human-disposed waste products, including pollutants and other hazards, after and as they are deposited with sediment.	rlriall	2002-06-27	2002-06-27	1
Environment.Sediment.Erosion	the effects of sediment erosion and subsequent loss of topography or barrier on the remainder of the environment.	rlriall	2002-06-27	2002-06-27	1
Environment.Sediment.Erosion.Dredging	the effects of sediment dredging- usually to improve navigation channels and resulting in a significant topographic change - on the environment.	rlriall	2002-06-27	2002-06-27	1
Environment.Sediment.Erosion.Natural_Processes	the effects and causes of natural sediment erosion on the environment.	rlriall	2002-06-27	2002-06-27	1
Environment.Sediment.Interaction_with_Animals	the interaction with and transport of sediments by animals.	rlriall	2002-06-27	2002-06-27	1
Environment.Sediment.Interaction_with_Pollutants	the interaction - including transport, deposition, and erosion - of pollutants in sedimentary systems.	rlriall	2002-06-27	2002-06-27	1
Environment.Sediment.Interaction_with_Vegetation	the interaction with and trapping of sediments by vegetation.	rlriall	2002-06-27	2002-06-27	1
Environment.Sediment.Subsidence	the subsidence, or sinking, of sediments as they relate to and affect their environments.	rlriall	2002-06-27	2002-06-27	1
Environment.Sediment.Transport	the movement of sediments through their environments, and their effects on the same.	rlriall	2002-06-27	2002-06-27	1
Environment.Waste_Disposal	the effects of waste disposal by humans on the environment, and its behavior within the environment.	rlriall	2002-06-27	2002-06-27	1
Environment.Waste_Disposal.Dredge_Spoils	the environmental consequences of redepositing the materials dredged from one site on the seafloor to another.	rlriall	2002-06-27	2002-06-27	1
Environment.Waste_Disposal.Injection_Wells	the environmental effects of injection wells, by which wastes are injected into ground water.	rlriall	2002-06-27	2002-06-27	aallwardt	2004-11-04
Environment.Waste_Disposal.Radioactive_Waste	the effects and behavior of human radioactive waste.	rlriall	2002-06-27	2002-06-27	1
Environment.Waste_Disposal.Sewage_Outfalls	the effects, transport, and fate of sewage outfalls - releases of human sewage into bodies of water.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters	definition pending.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Biological_Impacts	an event causing loss of life to organisms that are important to humans.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Biological_Impacts.Extinction	the loss of every member of a species of organisms.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Biological_Impacts.Fish_Kills	pollution or anoxic events causing the death of large numbers of fish, which then float to the surface or are washed ashore.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Biological_Impacts.Red_Tide	seawater turned red by a bloom of dinoflagellates, which release a substance which is toxic to most vertebrates (including humans) and which is stored in the tissue of invertebrates.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Drought	an extreme, longterm dearth of water which impacts humans and the organisms on which they rely for survival.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Earthquake	a shaking of the Earth resultant from tectonic stress or volcanic movement.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Earthquake.Effects	the impacts of an Earthquake on humans and structures.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Earthquake.Prediction	efforts to forecast Earthquakes.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Erosion	the removal of sediment and consequent changes in topography and hydrology, specifically affecting humans.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Erosion.Beach	the erosion of beach areas, particular sand, as currents remove and redeposit sediments.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Erosion.Coast	the erosion of the area adjacent to an ocean, lake, or sea, resulting in a changed shoreline.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Erosion.Long_Term	the loss of sediment over some interval of time longer than a single storm.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Erosion.Long_Term.Human_Activities	the loss of sediment due to human behaviors such as building, damming or other alteration of the watercourse, or climate alteration.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Erosion.Long_Term.Natural_Processes	the loss of sediment due to such potentially natural changes as of sea level, currents, or climate.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Erosion.Restoration	short-term attempts to undo sediment loss due to erosion by artificially depositing materials.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Erosion.Storm_Impact	the loss of sediment due to flooding, winds, or other transport by an extreme storm such as a hurricane, particularly in coastal areas.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Erosion.Storm_Impact.Catastrophic	the loss of sediment due to a single extreme storm, typically in coastal areas.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Erosion.Storm_Impact.Chronic	the loss of sediment due to a series of storms, possibly over a significant time period, particularly in coastal areas.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Fire	the destruction of human life or property due to fire.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Flood	the destruction of human life or property due to a body of water exceeding its "usual" bounds.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Landslide	the rapid downslope slide of a mass of sediments or rock which results in the loss of human life or property.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Landslide.Coast	slope failure along a coast, often due to storm events.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Landslide.Submarine	underwater slope failure, often due to an excess accumulation of sediments.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Magnetic_Storms	a temporary anomaly in the geomagnetic field which may cause communications and navigation problems.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Meteorite	the impact of a relatively small solar object into the Earth's surface.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Mitigation	efforts to counter  the impact of a disaster before it occurs.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Mitigation.Policies	efforts to countermand the impact of a disaster before it occurs through policy-making - for instance, limiting building in hazardous areas, or requiring evacuations.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Mitigation.Structural	efforts to oppose the impact of a disaster before it occurs through civil engineering - for instance, building codes or the creation of artificial levees.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Preparation	efforts to minimize the effects of a disaster before it occurs.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Reconstruction	efforts to rebuild and redevelop an area after a disaster.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Recovery	efforts to undo some of the negative effects of a disaster after it occurs.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Response	efforts to minimize the effects of a disaster while or after it occurs.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Spill	the leakage of a toxin or pollutant during transport, processing, or use.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Spill.Chemical	the leakage of a toxic or pollutive chemical during processing, transport, or use.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Spill.Petroleum	the leakage of petroleum during processing or transport; because oil is not water soluble, it may cover and kill living organisms and is difficult to remove.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Storm	a storm which causes loss of human life or property.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Storm.Hurricanes_and_Typhoons	tropical cyclonic storms.	rlriall	2002-06-27	2002-06-27	aallwardt	2005-04-29	1
Hazards_and_Disasters.Tsunami	disastrous, flooding waves produced by submarine tectonism.	rlriall	2002-06-27	2002-06-27	1
Hazards_and_Disasters.Volcano	the disastrous eruption of a volcano, a vent for hot magma originating from the Earth's mantle.	rlriall	2002-06-27	2002-06-27	1
Resources	a source of materials or other things that may be used by humans, generally natural.	rlriall	2002-06-27	2002-06-27	1
Resources.Biology	organisms and biological products useful to humans.	rlriall	2002-06-27	2002-06-27	1
Resources.Culture	cultural sites, objects, traditions, or ideas.	rlriall	2002-06-27	2002-06-27	1
Resources.Culture.Historical_Sites	locations of historical importance treated as culturally valuable.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy	sources that are processed to generate industrial energy for humans.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Gas_Hydrate	ice-trapped methane on the ocean floor, believed to be a potential energy source.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Gas_Hydrate.Deposits	specific deposits of gas hydrates, seafloor ice-trapped methane.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Gas_Hydrate.Deposits.Formation	the origins of gas hydrates, ice-trapped methane on the seafloor.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Gas_Hydrate.Deposits.Geologic_Setting	the geologic conditions, depositional and tectonic, associated with gas hydrate deposits.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Gas_Hydrate.Deposits.Location	specific sites at which gas hydrates are known or speculated to occur.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Gas_Hydrate.Effects_of_Extraction	the potential effects - including mudslides and the release of methane, a greenhouse gas - of mining gas hydrates for energy uses.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Natural_Gas	methane or other naturally-occuring hydrocarbon gas extracted from Earth and processed for use as fuel.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Natural_Gas.Deposits	locations at which natural gas occurs.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Natural_Gas.Deposits.Formation	the biological and diagenetic processes which conspire to form natural gas.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Natural_Gas.Deposits.Geologic_Setting	the geologic conditions associated with natural gas deposits.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Natural_Gas.Deposits.Location	specific, speculative, or conceptual locations of natural gas deposits.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Natural_Gas.Effects_of_Extraction	the environmental effects of extracting natural gas from Earth's crust.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Petroleum	an oily mix of complex hydrocarbons formed mostly from the diagenesis of biological material, which is refined for use as many fuel types.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Petroleum.Deposits	sites in Earth's crust from which oil may be extracted for refinement.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Petroleum.Deposits.Formation	the processes that generate petroleum sinks.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Petroleum.Deposits.Geologic_Setting	the geologic conditions that facilitate petroleum formation.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Petroleum.Deposits.Location	the specific or speculative locations of petroleum deposits.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Petroleum.Effects_of_Extraction	the potential environmental hazards, such as pollution and spills, associated with petroleum extraction.	rlriall	2002-06-27	2002-06-27	1
Resources.Energy.Renewable	sources of energy that are not destroyed by use (for example, they are not combusted and permanently depleted as is oil), but are continually available, such as solar energy or hydroelectric energy.	rlriall	2002-06-27	2002-06-27	1
Resources.Food	sources of human food.	rlriall	2002-06-27	2002-06-27	1
Resources.Food.Fishing	definition pending.	rlriall	2003-03-01	2003-03-01	1
Resources.Food.Fishing.Commercial_Fishing	definition pending.	rlriall	2003-03-01	2003-03-01	1
Resources.Food.Fishing.Subsistence_Fishing	definition pending.	rlriall	2003-03-01	2003-03-01	1
Resources.Food.Hunting	definition pending.	rlriall	2003-03-01	2003-05-01
Resources.Food.Hunting.Commercial_Hunting	definition pending.	rlriall	2003-03-01	2003-05-01	1
Resources.Food.Hunting.Subsistence_Hunting	definition pending.	rlriall	2003-03-01	2003-05-01	1
Resources.Food.Impacts_of_Agriculture	the effects of agriculture, including alteration or destruction of native ecosystems, nutrient and pesticide runoff, and changes to soil and river chemistry.	rlriall	2002-06-27	2002-06-27	1
Resources.Food.Whaling	definition pending.	rlriall	2003-03-01	2003-03-01	1
Resources.Food.Whaling.Commercial_Whaling	definition pending.	rlriall 2003-03-01	2003-03-01	1
Resources.Food.Whaling.Subsistence_Whaling	definition pending.	rlriall	2003-03-01	2003-03-01	1
Resources.Management	definition pending.	aallwardt	2004-02-24	2004-02-24	1
Resources.Management.Law	definition pending.	aallwardt	2004-02-24	2004-02-24	1
Resources.Mineral	minerals - crystalline, ideally homogenous, and generally inorganic natural substances - that may be used by humans for a variety of purposes including consumption and industry.	rlriall	2002-06-27	2002-06-27	1
Resources.Mineral.Ferromanganese_Minerals	iron- and/or manganese-bearing minerals used for steel manufacture.	rlriall	2002-06-27	2002-06-27	1
Resources.Mineral.Heavy_Minerals	minerals such as rutile, zircon, and monazite which contain elements with large atomic masses.	rlriall	2002-06-27	2002-06-27	1
Resources.Mineral.Phosphorites	phosphor-bearing mineral; phosphor emits light in the presence of radiation and is used especially in the manufacture of diodes.	rlriall	2002-06-27	2002-06-27	1
Resources.Mineral.Polymetallic_Deposits	deposits of minerals bearing multiple metallic elements and compounds.	rlriall	2002-06-27	2002-06-27	1
Resources.Mineral.Sulfides	minerals that are compounds of sulfur, which is used in chemical and other industries.  Moreover, sulfide minerals often are associated with economically important metal ores.	rlriall	2002-06-27	2002-10-05	1
Resources.Recreation	resources, such as areas of land or bodies of water, that are used by humans as sites for entertainment.	rlriall	2002-06-27	2002-06-27	1
Resources.Sediment	sediments that are mined or proposed for mining for human use, often in temporarily restoring eroded shorelines.	rlriall	2002-06-27	2002-06-27	1
Resources.Tourism	a site, area, or event that serves as a draw for tourists or a region that is heavily dependent on tourist influx for funds.	rlriall	2002-06-27	2002-06-27	1
Resources.Tourism.Environmental_Effects_of_Tourism	definition pending.	rlriall	2003-03-01	2003-03-01	1
Resources.Transportation	means by which humans, animals, or other things are moved from one location to another.	rlriall	2002-06-27	2002-06-27	1
Resources.Transportation.Shipping_Channels	bodies of water which are convenient to travel between ports or to docks, and which are deep enough to permit the movement of ships.	rlriall	2002-06-27	2002-06-27	1
Resources.Water	water in the context of human use.	rlriall	2002-06-27	2002-06-27	1
Resources.Water.Aquifers	porous Earth material, such as sediments or bedrock,  permeated by water.	rlriall	2002-06-27	2002-06-27	1
Resources.Water.Aquifers.Geology	the behavior and physical and chemical properties of aquiferous sediments or bedrock.	rlriall	2002-06-27	2002-06-27	1
Resources.Water.Aquifers.Hydrology	the behavior, flow, and chemical properties of water in an aquifer.	rlriall	2002-06-27	2002-06-27	1
Resources.Water.Aquifers.Location	specific or speculated locations of aquifers, water-permeated rocks or sediments.	rlriall	2002-06-27	2002-06-27	1
Resources.Water.Control	means to maintain a certain quality or quantity of water for human consumption or other use.	rlriall	2002-06-27	2002-06-27	1
Resources.Water.Effects_of_Extraction	environmental effects of the extraction of water, such as alteration of sheet flow or change in overall chemical characteristics.	rlriall	2002-06-27	2002-06-27	1
Resources.Water.Effects_of_Extraction.Saltwater_Intrusion	the influx of saltwater into aquifers due to the removal by humans of the overlying freshwater lens (freshwater and saltwater are of different densities and otherwise mix slowly).	rlriall	2002-06-27	2002-06-27	1
Resources.Water.Quality	lack of dissolved salts, toxins, and pollutants above safety levels for human consumption or other uses directly relevant to humans.	rlriall	2002-06-27	2002-06-27	1
Science_and_Scientists	science as it concerns humans; science is a method for understanding the universe by application of the scientific method, which requires reproducible results and the choice of simplest generalized explanations.	rlriall	2002-06-27	2002-06-27	1
Science_and_Scientists.Methodology	issues of scientific methodology, practical, theoretical, and philosophical.	rlriall	2002-06-27	2002-06-27	1
Science_and_Scientists.Methodology.Environmental_Impacts	the environmental effects of scientific research.		rlriall	2003-03-01	2003-03-01	1
Science_and_Scientists.People_of_Color_in_Science	definition pending.	rlriall	2003-03-01	2003-03-01	1
Science_and_Scientists.Policy	the application of science to policy-making decisions and political activism.	rlriall	2002-06-27	2002-06-27	1
Science_and_Scientists.Women_in_Science	definition pending.	rlriall	2003-03-01	2003-03-01	1