* **airports**: ([[http://spatial-analyst.net/worldmaps/airports.zip|airports.zip]]) --- [[http://www.pdc.org/geodata/world/airports_dafif.zip|World airports type (civilian/military)]]
  * **airroute**: ([[http://spatial-analyst.net/worldmaps/airroute.zip|airroute.zip]]) --- [[http://openflights.org/data.html|Estimated density of airline routes]]
  * **anthroms**: ([[http://spatial-analyst.net/worldmaps/anthroms.zip|anthroms.zip]]) --- [[http://www.eoearth.org/article/Anthropogenic_biome_maps|Anthropogenic biomes of the World]]
  * **baresoil**: ([[http://spatial-analyst.net/worldmaps/baresoil.zip|baresoil.zip]]) --- [[http://ionia1.esrin.esa.int|Bare soil area coverage based on the MERIS FR images]]
  * **biocl12**: ([[http://spatial-analyst.net/worldmaps/biocl12.zip|biocl12.zip]]) --- [[http://worldclim.org|Annual Precipitation]]
  * **biocl15**: ([[http://spatial-analyst.net/worldmaps/biocl15.zip|biocl15.zip]]) --- [[http://worldclim.org|Precipitation Seasonality (Coefficient of Variation)]]
  * **biocl1**: ([[http://spatial-analyst.net/worldmaps/biocl1.zip|biocl1.zip]]) --- [[http://worldclim.org|Annual Mean Temperature]]
  * **biocl2**: ([[http://spatial-analyst.net/worldmaps/biocl2.zip|biocl2.zip]]) --- [[http://worldclim.org|Mean Diurnal Range (Mean of monthly (max temp - min temp))]]
  * **biocl4**: ([[http://spatial-analyst.net/worldmaps/biocl4.zip|biocl4.zip]]) --- [[http://worldclim.org|Temperature Seasonality (standard deviation *100)]]
  * **biocl5**: ([[http://spatial-analyst.net/worldmaps/biocl5.zip|biocl5.zip]]) --- [[http://worldclim.org|Max Temperature of Warmest Month]]
  * **biocl6**: ([[http://spatial-analyst.net/worldmaps/biocl6.zip|biocl6.zip]]) --- [[http://worldclim.org|Min Temperature of Coldest Month]]
  * **biodvhot**: ([[http://spatial-analyst.net/worldmaps/biodvhot.zip|biodvhot.zip]]) --- [[http://www.biodiversityhotspots.org/xp/Hotspots/resources/pages/maps.aspx|Biodiversity hotspot regions based on Conservation International]]
  * **burned**: ([[http://spatial-analyst.net/worldmaps/burned.zip|burned.zip]]) --- [[http://www.landcover.org/data/vcc/|Burned vegetation for years 2002-2004]]
  * **cforest**: ([[http://spatial-analyst.net/worldmaps/cforest.zip|cforest.zip]]) --- [[http://edc2.usgs.gov/glcc/fao/|Closed forests coverage based on the Forest Resources Assessment (FRA) project]]
  * **chlom**: ([[http://spatial-analyst.net/worldmaps/CHLOm.zip|CHLOm.zip]]) --- [[http://oceancolor.gsfc.nasa.gov|Mean long-term chlorophyll a concentration in the sea estimated using MODIS Aqua]]
  * **chlos**: ([[http://spatial-analyst.net/worldmaps/CHLOs.zip|CHLOs.zip]]) --- [[http://oceancolor.gsfc.nasa.gov|Mean long-term chlorophyll a concentration in the sea estimated using MODIS Aqua (standard deviation)]]
  * **cloudfm**: ([[http://spatial-analyst.net/worldmaps/CLOUDFm.zip|CLOUDFm.zip]]) --- [[http://modis-atmos.gsfc.nasa.gov/MOD35_L2/index.html|Mean long term Cloud fraction based on MODIS monthly images]]
  * **cloudfs**: ([[http://spatial-analyst.net/worldmaps/CLOUDFs.zip|CLOUDFs.zip]]) --- [[http://modis-atmos.gsfc.nasa.gov/MOD35_L2/index.html|Standard deviation of the long term Cloud fraction based on MODIS monthly images]]
  * **countries**: ([[http://spatial-analyst.net/worldmaps/countries.zip|countries.zip]]) --- [[http://www.gadm.org/world|World countries based on GADM level 0]]
  * **dcoast**: ([[http://spatial-analyst.net/worldmaps/dcoast.zip|dcoast.zip]]) --- [[http://www.ngdc.noaa.gov/mgg/shorelines/gshhs.html|Distance from the sea coast line]]
  * **ecoflor**: ([[http://spatial-analyst.net/worldmaps/ecoflor.zip|ecoflor.zip]]) --- [[http://cdiac.ornl.gov/ftp/global_carbon/|Ecofloristic zones]]
  * **fforest**: ([[http://spatial-analyst.net/worldmaps/fforest.zip|fforest.zip]]) --- [[http://edc2.usgs.gov/glcc/fao/|Open or fragmented forests coverage based on the Forest Resources Assessment (FRA) project]]
  * **forestd**: ([[http://spatial-analyst.net/worldmaps/forestd.zip|forestd.zip]]) --- [[http://edc2.usgs.gov/glcc/fao/|Global Forest Density based on the Forest Resources Assessment (FRA) project]]
  * **fra2000**: ([[http://spatial-analyst.net/worldmaps/FRA2000.zip|FRA2000.zip]]) --- [[http://edc2.usgs.gov/glcc/fao/|Forest cover types based on the Forest Resources Assessment (FRA) project]]
  * **gaccessm**: ([[http://spatial-analyst.net/worldmaps/gaccessm.zip|gaccessm.zip]]) --- [[http://bioval.jrc.ec.europa.eu/products/gam/|Estimated travel time to major cities (>50k) in hours]]
  * **gcarb**: ([[http://spatial-analyst.net/worldmaps/gcarb.zip|gcarb.zip]]) --- [[http://cdiac.ornl.gov/epubs/ndp/global_carbon/carbon_documentation.html|Global Biomass Carbon Map]]
  * **glc2000**: ([[http://spatial-analyst.net/worldmaps/glc2000.zip|glc2000.zip]]) --- [[http://bioval.jrc.ec.europa.eu/products/glc2000/glc2000.php|Land Cover classes for year 2000 based on the SPOT VEGA2000 dataset]]
  * **glcrop**: ([[http://spatial-analyst.net/worldmaps/glcrop.zip|glcrop.zip]]) --- [[http://www.sage.wisc.edu/download/crop92/croplands.html|Cropland areas in 1992 ]]
  * **globcov**: ([[http://spatial-analyst.net/worldmaps/globcov.zip|globcov.zip]]) --- [[http://ionia1.esrin.esa.int|Land Cover classes based on the MERIS FR images]]
  * **globedem**: ([[http://spatial-analyst.net/worldmaps/globedem.zip|globedem.zip]]) --- [[http://topex.ucsd.edu/WWW_html/srtm30_plus.html / http://ngdc.noaa.gov/mgg/global/global.html|Global Relief Model based on SRTM 30+ and ETOPO DEM ]]
  * **glwd31**: ([[http://spatial-analyst.net/worldmaps/glwd31.zip|glwd31.zip]]) --- [[http://www.worldwildlife.org/science/data/item1877.html|Global Lakes and Wetlands]]
  * **gmia**: ([[http://spatial-analyst.net/worldmaps/gmia.zip|gmia.zip]]) --- [[http://www.fao.org/nr/water/aquastat/irrigationmap/index10.stm|Global map of area equipped for irrigation expressed as percentage of total area ]]
  * **gshpub**: ([[http://spatial-analyst.net/worldmaps/GSHPUB.zip|GSHPUB.zip]]) --- [[http://www.seismo.ethz.ch/gshap/|GSHAP Global Seismic Hazard Map]]
  * **himpact**: ([[http://spatial-analyst.net/worldmaps/himpact.zip|himpact.zip]]) --- [[http://globio.info|Areas of human impacts on the Biosphere (roads, railways and settlement density).]]
  * **hwsdmu**: ([[http://spatial-analyst.net/worldmaps/hwsdmu.zip|hwsdmu.zip]]) --- [[http://www.fao.org/nr/water/news/soil-db.html|Soil mapping units and number of soil attributes based on FAO HWSD]]
  * **hwsd**: ([[http://spatial-analyst.net/worldmaps/hwsd.zip|hwsd.zip]]) --- [[http://www.fao.org/nr/water/news/soil-db.html|Soil groups based on FAO HWSD]]
  * **hydrma**: ([[http://spatial-analyst.net/worldmaps/hydrma.zip|hydrma.zip]]) --- [[http://www.waterisotopes.org|Mean annual concentration of hydrogen isotopes in precipitation]]
  * **iflworld**: ([[http://spatial-analyst.net/worldmaps/iflworld.zip|iflworld.zip]]) --- [[http://www.intactforests.org|The world map of intact forest landscapes]]
  * **igbp_10m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp_11m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp_12m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp_13m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp_14m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp_15m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp_16m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp_1m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp_2m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp_3m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp_4m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp_5m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp_6m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp_7m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp_8m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp_9m**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **igbp**: ([[http://spatial-analyst.net/worldmaps/IGBP.zip|IGBP.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_cover/yearly_l3_global_0_05deg_cmg/mod12c1|MOD12C1 17 land cover classes defined by the International Geosphere Biosphere Programme (IGBP)]]
  * **laim**: ([[http://spatial-analyst.net/worldmaps/LAIm.zip|LAIm.zip]]) --- [[http://neo.sci.gsfc.nasa.gov|Mean long term Leaf Area Index (downscaled)]]
  * **lais**: ([[http://spatial-analyst.net/worldmaps/LAIs.zip|LAIs.zip]]) --- [[http://neo.sci.gsfc.nasa.gov|Mean long term Leaf Area Index (standard deviation)]]
  * **landcov**: ([[http://spatial-analyst.net/worldmaps/landcov.zip|landcov.zip]]) --- [[http://www.landcover.org|Land cover map of the world (1981-1995) based on the AVHRR images]]
  * **landmask**: ([[http://spatial-analyst.net/worldmaps/landmask.zip|landmask.zip]]) --- [[http://www.soest.hawaii.edu/pwessel/gshhs/|Land mask of the world based on the GSHHS data]]
  * **lisotd**: ([[http://spatial-analyst.net/worldmaps/LISOTD.zip|LISOTD.zip]]) --- [[http://thunder.msfc.nasa.gov/|Lightning combined Flash Rate]]
  * **lstdm**: ([[http://spatial-analyst.net/worldmaps/LSTDm.zip|LSTDm.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_surface_temperature_emissivity/monthly_l3_global_0_05deg_cmg/mod11c3|Mean Day-time MODIS Land Surface Temperature based on the monthly LST images]]
  * **lstds**: ([[http://spatial-analyst.net/worldmaps/LSTDs.zip|LSTDs.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_surface_temperature_emissivity/monthly_l3_global_0_05deg_cmg/mod11c3|Deviation of the Day-time MODIS Land Surface Temperature based on the monthly LST images]]
  * **lstnm**: ([[http://spatial-analyst.net/worldmaps/LSTNm.zip|LSTNm.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_surface_temperature_emissivity/monthly_l3_global_0_05deg_cmg/mod11c3|Mean Night-time MODIS Land Surface Temperature based on the monthly LST images]]
  * **lstns**: ([[http://spatial-analyst.net/worldmaps/LSTNs.zip|LSTNs.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/land_surface_temperature_emissivity/monthly_l3_global_0_05deg_cmg/mod11c3|Deviation of the Night-time MODIS Land Surface Temperature based on the monthly LST images]]
  * **mask**: ([[http://spatial-analyst.net/worldmaps/landmask.zip|landmask.zip]]) --- [[http://www.soest.hawaii.edu/pwessel/gshhs/|Land mask of the world based on the GSHHS data]]
  * **modfires**: ([[http://spatial-analyst.net/worldmaps/modfires.zip|modfires.zip]]) --- [[http://www.pdc.org/geodata/world/wildfires.zip|Year of MODIS estimated fire]]
  * **nlights**: ([[http://spatial-analyst.net/worldmaps/nlights.zip|nlights.zip]]) --- [[http://ngdc.noaa.gov/dmsp/|World stable lights]]
  * **oxygma**: ([[http://spatial-analyst.net/worldmaps/oxygma.zip|oxygma.zip]]) --- [[http://www.waterisotopes.org|Mean annual concentration of oxygen isotopes in precipitation]]
  * **pcevi1**: ([[http://spatial-analyst.net/worldmaps/PCEVI1.zip|PCEVI1.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/vegetation_indices/monthly_l3_global_0_05deg_cmg/v5/terra|EVI Principal Component #1]]
  * **pcevi2**: ([[http://spatial-analyst.net/worldmaps/PCEVI2.zip|PCEVI2.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/vegetation_indices/monthly_l3_global_0_05deg_cmg/v5/terra|EVI Principal Component #2]]
  * **pcevi3**: ([[http://spatial-analyst.net/worldmaps/PCEVI3.zip|PCEVI3.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/vegetation_indices/monthly_l3_global_0_05deg_cmg/v5/terra|EVI Principal Component #3]]
  * **pcevi4**: ([[http://spatial-analyst.net/worldmaps/PCEVI4.zip|PCEVI4.zip]]) --- [[https://lpdaac.usgs.gov/lpdaac/products/modis_products_table/vegetation_indices/monthly_l3_global_0_05deg_cmg/v5/terra|EVI Principal Component #4]]
  * **pcnligh1**: ([[http://spatial-analyst.net/worldmaps/pcnligh1.zip|pcnligh1.zip]]) --- [[http://ngdc.noaa.gov/dmsp/|PC #1 from the World stable night lights time series]]
  * **pcnligh2**: ([[http://spatial-analyst.net/worldmaps/pcnligh2.zip|pcnligh2.zip]]) --- [[http://ngdc.noaa.gov/dmsp/|PC #2 from the World stable night lights time series]]
  * **pcpopd1**: ([[http://spatial-analyst.net/worldmaps/pcpopd1.zip|pcpopd1.zip]]) --- [[http://sedac.ciesin.columbia.edu/gpw|Long-term population density map (PC1)]]
  * **pcpopd2**: ([[http://spatial-analyst.net/worldmaps/pcpopd2.zip|pcpopd2.zip]]) --- [[http://sedac.ciesin.columbia.edu/gpw|Population change index (PC2)]]
  * **peatland**: ([[http://spatial-analyst.net/worldmaps/peatland.zip|peatland.zip]]) --- [[http://www.worldwildlife.org/science/data/item1877.html|Bog, Fen, Mire (Peatland)]]
  * **phh2oreg**: ([[http://spatial-analyst.net/worldmaps/PHH2Oreg.zip|PHH2Oreg.zip]]) --- [[http://www.isric.org|Soil pH measured in H2O and predicted using correlation with worldmaps]]
  * **precm**: ([[http://spatial-analyst.net/worldmaps/PRECm.zip|PRECm.zip]]) --- [[http://sharaku.eorc.jaxa.jp/GSMaP_crest/|Precipitation estimated based on the GSMaP]]
  * **quakein**: ([[http://spatial-analyst.net/worldmaps/quakein.zip|quakein.zip]]) --- [[http://ngdc.noaa.gov/hazard/earthqk.shtml|Kernel density of earthquake intensity (magnitude)]]
  * **rcrops**: ([[http://spatial-analyst.net/worldmaps/rcrops.zip|rcrops.zip]]) --- [[http://ionia1.esrin.esa.int|Rainfed croplands coverage based on the MERIS FR images]]
  * **shipping**: ([[http://spatial-analyst.net/worldmaps/shipping.zip|shipping.zip]]) --- [[http://www.nceas.ucsb.edu/globalmarine/impacts|Shipping density (commercial)]]
  * **slope**: ([[http://spatial-analyst.net/worldmaps/slope.zip|slope.zip]]) --- [[http://topex.ucsd.edu/WWW_html/srtm30_plus.html / http://ngdc.noaa.gov/mgg/global/global.html|Slope map based on SRTM 30+ and ETOPO DEM ]]
  * **snowcm**: ([[http://spatial-analyst.net/worldmaps/SNOWCm.zip|SNOWCm.zip]]) --- [[http://modis-snow-ice.gsfc.nasa.gov|Mean long term snow coverage fraction based on MODIS monthly images]]
  * **snowcs**: ([[http://spatial-analyst.net/worldmaps/SNOWCs.zip|SNOWCs.zip]]) --- [[http://modis-snow-ice.gsfc.nasa.gov|Standard deviation of the long term snow coverage fraction based on MODIS monthly images]]
  * **soc**: ([[http://spatial-analyst.net/worldmaps/SOC.zip|SOC.zip]]) --- [[http://soils.usda.gov/use/worldsoils/mapindex/soc.html|Soil Organic Carbon in kg/m^3 of soil]]
  * **soilmask**: ([[http://spatial-analyst.net/worldmaps/soilmask.zip|soilmask.zip]]) --- [[http://neo.sci.gsfc.nasa.gov|Soil areas mask]]
  * **soiltype**: ([[http://spatial-analyst.net/worldmaps/soiltype.zip|soiltype.zip]]) --- [[http://soils.usda.gov/use/worldsoils/mapindex/|KST Global Soil Regions]]
  * **sstm**: ([[http://spatial-analyst.net/worldmaps/SSTm.zip|SSTm.zip]]) --- [[http://oceancolor.gsfc.nasa.gov|Mean long-term sea surface temperature estimated using MODIS Aqua]]
  * **ssts**: ([[http://spatial-analyst.net/worldmaps/SSTs.zip|SSTs.zip]]) --- [[http://oceancolor.gsfc.nasa.gov|Mean long-term sea surface temperature estimated using MODIS Aqua (standard deviation)]]
  * **stormtr**: ([[http://spatial-analyst.net/worldmaps/stormtr.zip|stormtr.zip]]) --- [[http://www.pdc.org/geodata/world/stormtracks.zip|Density of Tropical Cyclone Storm Tracks (historical)]]
  * **swamp**: ([[http://spatial-analyst.net/worldmaps/swamp.zip|swamp.zip]]) --- [[http://www.worldwildlife.org/science/data/item1877.html|Swamp Forest, Flooded Forest]]
  * **treecov**: ([[http://spatial-analyst.net/worldmaps/treecov.zip|treecov.zip]]) --- [[http://www.landcover.org/data/treecover/|Continuous Fields Tree Cover for 1992-1993]]
  * **wildness**: ([[http://spatial-analyst.net/worldmaps/wildness.zip|wildness.zip]]) --- [[http://geodata.grid.unep.ch/|World wilderness areas]]
  * **wooded**: ([[http://spatial-analyst.net/worldmaps/wooded.zip|wooded.zip]]) --- [[http://edc2.usgs.gov/glcc/fao/|Other wooded land coverage based on the Forest Resources Assessment (FRA) project]]
  * **wwfeco**: ([[http://spatial-analyst.net/worldmaps/wwfeco.zip|wwfeco.zip]]) --- [[http://www.worldwildlife.org/science/ecoregions/item1267.html|Terrestrial ecoregions]]