Earth
Earth
Alexandria Digital Library: Universe
Earth
Arctic Ocean
Climate
Daily Arctic Ocean Rawinsonde Data from Soviet Drifting Ice Stations::http://nsidc.org/data/nsidc-0060.html
Energy budget
SHEBA Data Archive (Frames) at JOSS::http://www.eol.ucar.edu/projects/sheba/
Arctic
Arctic regions - Discovery and exploration
NOAA Arctic Theme Page::http://www.arctic.noaa.gov/
Auroras
NOAA Arctic Theme Page::http://www.arctic.noaa.gov/
Biogeography
NOAA Arctic Theme Page::http://www.arctic.noaa.gov/
Birds - Geographical distribution
Patterns of Biodiversity in Arctic Birds::http://www.unep-wcmc.org/information_services/publications/arctic_maps.htm
Birds, Protection of
Patterns of Biodiversity in Arctic Birds::http://www.unep-wcmc.org/information_services/publications/arctic_maps.htm
Climate
NOAA Arctic Theme Page::http://www.arctic.noaa.gov/
Conservation of natural resources
Conservation of Arctic Flora and Fauna::http://www.grida.no/caff/
Environmental monitoring
State of the Arctic Report 2006::http://www.arctic.noaa.gov/soa2006/
Global environmental change
Arctic System Science Data Coordination Center::http://arcss.colorado.edu/
Indigenous peoples
NOAA Arctic Theme Page::http://www.arctic.noaa.gov/
Hydrography
R-ArcticNET: A Regional, Electronic, Hydrographic Data Network For the Arctic Region::http://www.R-arcticnet.sr.unh.edu/
Maps
NOAA Arctic Theme Page::http://www.arctic.noaa.gov/
Phytogeography
Circumpolar Arctic Vegetation Mapping Project::http://www.geobotany.uaf.edu/cavm/
Pollution
NOAA Arctic Theme Page::http://www.arctic.noaa.gov/
Sea ice
NOAA Arctic Theme Page::http://www.arctic.noaa.gov/
Near Real-Time DMSP SSM/I Daily Polar Gridded Sea Ice Concentrations::http://nsidc.org/data/nsidc-0081.html
Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I Passive Microwave Data::http://nsidc.org/data/nsidc-0051.html
Sea Ice Trends and Climatologies from SMMR and SSM/I: Total Ice-covered Area and Extent::http://nsidc.org/data/smmr_ssmi_ancillary/area_extent.html
Sustainable development
Arctic Parliamentarians::http://www.grida.no/parl/
Views
NOAA Arctic Theme Page::http://www.arctic.noaa.gov/
Ascension Island (Atlantic Ocean)
Geology
Geological Map of Ascension Island::http://parker.gcn.ou.edu/~bweaver/Ascension/aigeolmp.htm
Maps
Topographic Map of Ascension Island::http://parker.gcn.ou.edu/~bweaver/Ascension/ai-topo.htm
Atlantic Ocean
Atlases
WOCE Atlantic Atlas::http://www.bsh.de/aktdat/mk/AIMS/atlas/index.html
Climate
Atlantic Tropical Weather Center::http://www.atwc.org/
Geomorphology
Details of U.S. Atlantic Continental Margin GLORIA mapping program::http://coastalmap.marine.usgs.gov/gloria/eastcst/
Hurricanes
NCDC: Satellite Events Art Gallery: Cyclones - The Perfect Storm October 1991::http://www.ncdc.noaa.gov/oa/satellite/satelliteseye/cyclones/pfctstorm91/pfctstorm.html
Nautical charts
NauticalCharts.gov::http://www.nauticalcharts.gov/
Bering Sea (Pacific Ocean)
Oceanography
Bering Sea Climate and Ecosystem::http://www.beringclimate.noaa.gov/
Earth
Abbreviations
Dictionary of Abbreviations and Acronyms in GIS, Cartography, and Remote Sensing::http://www.lib.berkeley.edu/EART/abbrev.html
Acronyms
Dictionary of Abbreviations and Acronyms in GIS, Cartography, and Remote Sensing::http://www.lib.berkeley.edu/EART/abbrev.html
Administrative and political divisions
CIESIN::http://www.ciesin.org/
Aerial photographs
CEPS - RPIF Sources of Earth and Planetary Photography::http://www.nasm.si.edu/research/ceps/rpif/rpifsources.cfm
Catalog of Aerial Photography - Earth Sciences & Map Library - University of California, Berkeley::http://www.lib.berkeley.edu/EART/air-catalog.html
EarthExplorer::http://edcsns17.cr.usgs.gov/EarthExplorer/
Fairchild Aerial Photography Collection at Whittier College::http://web.whittier.edu/fairchild/home.html
GlobeXplorer Aerial Photos Satellite Images and Maps::http://www.globexplorer.com/
Journalist's Guide to Satellite & Aerial Remote Sensing and GIS::http://www.american.edu/radiowave/
Pictometry::http://www.pictometry.com/
TerraServer-USA::http://terraserver-usa.com/
USGS: Viewing USGS Maps and Aerial Photo Images Online::http://nationalmap.gov/gio/viewonline.html
Agricultural ecology
Ecocrop::http://ecocrop.fao.org/
GAEZ Global Agro-Ecological Zones::http://www.fao.org/WAICENT/FAOINFO/AGRICULT/AGL/agll/gaez/index.htm
Agriculture - Research
CGIAR Project Homepage::http://www.grida.no/prog/global/cgiar/
USDA Agricultural Research Service::http://www.ars.usda.gov/main/main.htm
Agriculture
CyberStacks (sm) Agriculture Screen::http://www.public.iastate.edu/~CYBERSTACKS/hybrow_s.htm
FAO Country Profiles and Mapping Information System::http://www.fao.org/countryprofiles/default.asp
FAOSTAT: FAO Statistical Databases::http://faostat.fao.org/
Food and Agriculture Organization of the United Nations::http://www.fao.org/
Air quality
NOAA/ESRL Global Monitoring Divison::http://www.esrl.noaa.gov/gmd/
Almanacs
CIA - The World Factbook::http://www.odci.gov/cia/publications/factbook/index.html
CountryReports.org - Country Information::http://www.countryreports.org/
Altitudes - Measurement
Country By Country Listing Of the World's Highest Points::http://www.americasroof.com/world.shtml
Anthropology
CyberStacks (sm) Geography, Anthropology and Recreation Screen::http://www.public.iastate.edu/~CYBERSTACKS/hybrow_g.htm
Resources for Ecological Anthropology::http://www.ic.arizona.edu/~lansing/home.htm
Archaeology
Archaeological Research Resources::http://www.har-indy.com/Links.html
Archives
Internet Archive::http://www.archive.org/index.php
Artificial satellites
ATSR - Along Track Scanning Radiometer::http://www.atsr.rl.ac.uk/
Defense Meteorological Satellite Program::http://dmsp.ngdc.noaa.gov/dmsp.html
European Space Agency::http://earth1.esrin.esa.it/
Human Space Flight (HSF) - Orbital Tracking::http://spaceflight.nasa.gov/realdata/tracking/index.html
ICESat/GLAS Home Page::http://www.csr.utexas.edu/glas/
ICESat: Ice, Cloud, and Land Elevation Satellite::http://icesat.gsfc.nasa.gov/
J-Track Satellite Tracking::http://liftoff.msfc.nasa.gov/realtime/JTRACK/
Landsat Data Continuity Mission::http://ldcm.nasa.gov/index.htm
Landsat Data Continuity Mission (LDCM) Website::http://ldcm.usgs.gov/LDCMHome.php
Landsat Missions::http://landsat.usgs.gov/
Landsat Program::http://geo.arc.nasa.gov/sge/landsat/landsat.html
Landsat Satellites::http://ldcm.usgs.gov/
NASA's Earth Observing System Project Science Office (EOSPSO)::http://eospso.gsfc.nasa.gov/
NOAA AVHRR Data User's Guide::http://ceocat.ccrs.nrcan.gc.ca/client_acc/guides/avhrr/avhrr.html
NOAA - Satellites::http://www.noaa.gov/satellites.html
QuikSCAT::http://winds.jpl.nasa.gov/missions/quikscat/index.cfm
Terra (formerly EOS AM-1)::http://terra.nasa.gov/
USGS Landsat Project::http://landsat7.usgs.gov/
WFF GLAS Home Page::http://glas.wff.nasa.gov/
Atlases - Bibliography
Newberry Library Cartographic Collections::http://www.newberry.org/collections/mapoverview.html
Atlases
Atlas of World History Map Animation::http://www.atlasofworldhistory.com/
Barrington Atlas of the Greek and Roman World::http://www.unc.edu/depts/cl_atlas/
General Maps and Atlases Home Page::http://memory.loc.gov/ammem/gmdhtml/gnrlhome.html
Global Atlas of Palaeovegetation Since the Last Glacial Maximum::http://www.esd.ornl.gov/projects/qen/adams4.html
Green Map Atlas::http://greenatlas.org/
Historical Atlas of the 20th Century::http://users.erols.com/mwhite28/20centry.htm
National Geographic Map Machine::http://www.nationalgeographic.com/resources/ngo/maps/index.html
PALEOMAP Project::http://www.scotese.com/
The WOCE Atlas Series::http://www.soc.soton.ac.uk/OTHERS/woceipo/atlas_webpage/
United Nations Atlas of the Oceans::http://www.oceansatlas.com/index.jsp
WHKMLA: Historical Atlas::http://www.zum.de/whkmla/histatlas/haindex.html
WHO | Global Health Atlas::http://www.who.int/globalatlas/
World Atlas of Panoramic Aerial Images::http://130.166.124.2/world_atlas/index.html
Atmosphere - Research
NASA Langley Atmospheric Sciences Data Center::http://eosweb.larc.nasa.gov/
National Center for Atmospheric Research (NCAR)::http://www.ncar.ucar.edu/
Space Science and Engineering Center::http://www.ssec.wisc.edu/
University Corporation for Atmospheric Research (UCAR)::http://www.ucar.edu/
Atmosphere, Upper
International Association of Geomagnetism and Aeronomy::http://www.iugg.org/IAGA/
NASA - Aeronomy of Ice in the Mesosphere (AIM) Mission::http://www.nasa.gov/mission_pages/aim/index.html
Atmosphere
ICESat/GLAS Data at NSIDC::http://nsidc.org/data/icesat/
Live Access Server::http://ferret.wrc.noaa.gov/Ferret/LAS/
NOAA Central Library::http://www.lib.noaa.gov/
NOAA Central Library: WINDandSEA: The Oceanic and Atmospheric Sciences Internet Locator::http://www.lib.noaa.gov/docs/wind/windandsea.html
NOAA Home Page - National Oceanic and Atmospheric Administration::http://www.noaa.gov/
NSIDC Data::http://nsidc.org/data/index.html
World Meteorological Organization::http://www.wmo.ch/
Atmospheric chemistry
Carbon Dioxide Information Analysis Center (CDIAC)::http://cdiac.esd.ornl.gov/
Atmospheric radiation
Atmospheric Radiation Measurement (ARM) Archive::http://www.archive.arm.gov/
Atmospheric temperature
COBE sky map::http://www.lbl.gov/LBL-PID/George-Smoot.html
Auroras
Aurora Borealis - Northern Lights::http://virtual.finland.fi/finfo/english/aurora_borealis.html
Aurora Borealis - the northern lights::http://www.imv.uit.no/english/science/publicat/waynorth/wn1/contents.htm
The Aurora Page::http://www.geo.mtu.edu/weather/aurora/
Avalanches
Moonstone Snow and Avalanche Library::http://www.avalanche.org/~moonstone/
Bathymetric mapping - Indexes
NOS U.S. Bathymetric & Fishing Maps Information::http://www.ngdc.noaa.gov/mgg/bathymetry/maps/nos_intro.html
Bathymetric mapping
DMS: Ridge Bathymetry::http://www.marine-geo.org/rmbs/
General Bathymetric Chart of the Oceans (GEBCO)::http://www.ngdc.noaa.gov/mgg/gebco/
NGDC/WDC MGG, Boulder - 2 minute bathymetry/topography image selector::http://www.ngdc.noaa.gov/mgg/global/seltopo.html
NGDC/WDC MGG, Boulder - ETOPO2 2-Minute Worldwide Bathymetry/Topography Grids::http://www.ngdc.noaa.gov/mgg/fliers/01mgg04.html
NGDC - Bathymetry, Topography, & Relief::http://www.ngdc.noaa.gov/mgg/bathymetry/relief.html
Beer
The Beer Mapping Project::http://www.beermapping.com/
Biogeochemical cycles
ORNL DAAC for Biogeochemical Dynamics::http://www.daac.ornl.gov/
Biogeography
EnviroLink::http://envirolink.org/
Biometry
Bio Mapping - Christian Nold::http://www.biomapping.net/index.htm
Biosphere
NSIDC Data::http://nsidc.org/data/index.html
Biotic communities
Major Biomes of the World::http://www.runet.edu/~swoodwar/CLASSES/GEOG235/biomes/main.html
WWF - Conservation Science - Terrestrial Ecoregions of the World::http://www.wwfus.org/science/data/terreco.cfm
Boundaries
International Boundaries - an authoritative source?::http://www.fgdc.gov/participation/coordination-group/meeting-minutes/2006/october/boundaries
Buoys
Project NOPP Drifters::http://drifters.doe.gov/
Cables, Submarine
Submarine Cable Map 2007: Maps: TeleGeography Research::http://www.telegeography.com/products/map_cable/index.php
Carbon dioxide
Carbon Dioxide Information Analysis Center (CDIAC)::http://cdiac.esd.ornl.gov/
FACE - Free Air Carbon Dioxide Enrichment::http://www.face.bnl.gov/
FLUXNET Integrating Worldwide CO2 Flux Measurements::http://www.fluxnet.ornl.gov/fluxnet/
Cardinal points
Origins of the Compass Rose::http://www.gisnet.com/notebook/comprose.html
Cartography - History
Map History / History of Cartography::http://www.maphistory.info/
Cartography - Study and teaching
Ask Dr. Map::http://www.drmap.info/
MapAnalyst::http://mapanalyst.cartography.ch/
Mathematics of Cartography::http://math.rice.edu/~lanius/pres/map/
Strange Maps::http://strangemaps.wordpress.com/
Cartography
British Cartographic Society::http://www.cartography.org.uk/
Cartographic Images Home Page::http://www.henry-davis.com/MAPS/
Cartographic Links for Botanists::http://www.helsinki.fi/~rlampine/cartogr.html
Cartographic and Spatial Data on the Internet::http://www.lib.uchicago.edu/e/su/maps/mapweb.html
International Map Collectors' Society (IMCoS)::http://www.harvey27.demon.co.uk/imcos/
International Map Trade Association (IMTA) Home Page::http://www.maptrade.org
Links for the History of Cartography::http://www.usm.maine.edu/~maps/edney/links.html
Mathematical data for bibliographic descriptions of cartographic materials and spatial data::http://www.kb.nl/kb/skd/skd/mathemat.html
New York Public Library's Map Division::http://www.nypl.org/research/chss/map/map.html
Oddens' Bookmarks - The Fascinating World of Maps and Mapping::http://oddens.geog.uu.nl/
The History of Cartography Project::http://www.geography.wisc.edu/histcart/
The Ryhiner Project::http://www.stub.unibe.ch/stub/ryhiner/ryhiner.html
UBC Cartographic Archives and Historical Maps::http://www.library.ubc.ca/spcoll/cartog.html
UWELib - Cartographic Materials Page::http://www.lib.uwaterloo.ca/discipline/Cartography/cart.html
WebMuseum: Map::http://sunsite.unc.edu/louvre/map/
Catalogs, Publishers'
1-World Globes::http://www.1worldglobes.com/
1-World Maps Online::http://www.worldmapsonline.com/
A World of Maps, Inc.::http://aworldofmaps.com/
Blue Marble Geographics::http://www.bluemarblegeo.com/
David Rumsey Historical Map Collection::http://www.davidrumsey.com/
DeLorme::http://www.delorme.com/
Digital Maps::http://www.globalmaps.com/
East View Cartographic::http://www.cartographic.com/
East View Publications, Inc.::http://www.eastview.com/
Geology.com::http://geology.com/
Geoscience Publications Services::http://www.geopubs.co.uk/
Historic Map Works, Residential Genealogy::http://www.historicmapworks.com/
International Map Trade Association (IMTA) Home Page::http://www.maptrade.org
Land Info Home Page::http://www.landinfo.com/
MAPSWAP::http://www.mapswap.nl/
Map Resources::http://www.mapresources.com/
MapArt Publishing Corporation::http://www.mapart.com/
Maps.com::http://www.maps.com/
Maps.com Reference Maps::http://www.maps.com/maps.aspx?nav=RM
NetMaps::http://www.netmaps.net
OMNI Resources::http://www.omnimap.com/
Old Historic Maps & Prints::http://www.raremaps.com/
Old Map Gallery::http://www.oldmapgallery.com/
Robert Putman Antiquarian Maps & Books::http://www.putmap.com/
The Living Earth, Inc.::http://www.livingearth.com/
Treaty Oak - Maps of the World::http://www.treatyoak.com/
USGS Library Home Page::http://library.usgs.gov/
USGS Publications Warehouse Home Page::http://infotrek.er.usgs.gov/pubs/
USGS Publications and Other Products::http://www.usgs.gov/pubprod/index.html
WAML Map Librarian's Toolbox::http://www.waml.org/maptools.html
Wall Maps: TeleGeography Research::http://telegeography.com/maps/index.php
Welcome to VinMaps::http://vinmaps.com/
World of Maps::http://www.worldofmaps.com/
Worldwide Digital Maps for GIS - GfK GeoMarketing::http://www.gfk-geomarketing.com/digital_maps
City planning
Project Gigalopolis::http://www.ncgia.ucsb.edu/projects/gig/
Urban and Regional Information Systems Association (URISA)::http://www.urisa.org/
Classical geography
Barrington Atlas of the Greek and Roman World::http://www.unc.edu/depts/cl_atlas/
The Interactive Ancient Mediterranean Project::http://iam.classics.unc.edu/
Climate - Policy sciences
Climate Policy Center::http://www.cpc-inc.org/
Climate
AccuWeather::http://www.accuweather.com/weatherf/index_corp
Climate Diagnostics Center::http://www.cdc.noaa.gov/
Climate Program Office (CPO)::http://www.climate.noaa.gov/
Decoded Offshore Weather Data::http://www.coolwx.com/buoydata/
Intellicast::http://www.intellicast.com/
NASA GISS Data::http://data.giss.nasa.gov/
NCDC Online Document Library::http://www5.ncdc.noaa.gov/pubs/publications.html
NNDC Climate Data Online::http://cdo.ncdc.noaa.gov/CDO/cdo
NOAA Central Library::http://www.lib.noaa.gov/
NOAA Central Library - Foreign Climate Data::http://docs.lib.noaa.gov/rescue/data_rescue_home.html
NOAA Home Page - National Oceanic and Atmospheric Administration::http://www.noaa.gov/
National Data Buoy Center::http://seaboard.ndbc.noaa.gov/index.html
NetSea Inc. NavCenter::http://www.navcenter.com/
SSEC - Images and Data::http://www.ssec.wisc.edu/data/
The Weather Channel::http://www.weather.com/twc/homepage.twc
USA Today Weather::http://www.usatoday.com/weather/wfront.htm
Unidata::http://www.unidata.ucar.edu/
Weather Data and Satellite Images at ESO::http://www.eso.org/observing/weather/
Weather Underground::http://www.wunderground.com/
WeatherNet::http://cirrus.sprl.umich.edu/wxnet/
World Meteorological Organization::http://www.wmo.ch/
Climatic changes - Study and teaching
Educational Global Climate Model (EdGCM)::http://www.edgcm.org/
Climatic changes
Climate change: UNEP.Net, the Environment Network::http://climatechange.unep.net/
Global Change Data and Information System (GCDIS)::http://globalchange.gov/
Global Change Master Directory (GCMD)::http://gcmd.gsfc.nasa.gov/
NOAA/ESRL Global Monitoring Divison::http://www.esrl.noaa.gov/gmd/
Planet Action::http://www.planet-action.org/
U.S. Global Change Research Information Office (GCRIO)::http://www.gcrio.org/
UNEP/GRID - Arendal - Activities - Climate Change::http://www.grida.no/climate/
Climatic extremes
NCDC: Climatic Extremes and Weather Events::http://www.ncdc.noaa.gov/oa/climate/severeweather/extremes.html
Climatology
Climate Change Prediction Program (formerly CHAMMP)::http://www.epm.ornl.gov/chammp/
Program for Climate Model Diagnosis and Intercomparison (PCMDI)::http://www-pcmdi.llnl.gov/
Clouds
ICESat/GLAS Data at NSIDC::http://nsidc.org/data/icesat/
Low Cloud Type over the Global Ocean::http://jisao.washington.edu/data_sets/low_cloud/index2.html
NASA - CloudSat::http://www.nasa.gov/mission_pages/cloudsat/main/index.html
Coasts
Marine Realms Information Bank::http://mrib.usgs.gov/
Compass - Study and teaching
How to use a compass::http://www.learn-orienteering.org/old/
Conservation of natural resources
Conservation GeoPortal Workspace - ConserveOnline::http://conserveonline.org/workspaces/cons.geo.portal
ESRI Conservation Program::http://www.conservationgis.org/
Portal Functions - Conservation Geoportal::http://www.conservationmaps.org/index.jsp
UNEP World Conservation Monitoring Centre::http://www.unep-wcmc.org/
Coral
WCMC Global Coral Disease Database::http://www.unep-wcmc.org/marine/coraldis/
Coral reef conservation
Action Atlas: Coral Reefs::http://www.motherjones.com/coral_reef/
NOAA Coral Reef Watch Program::http://coralreefwatch.noaa.gov/index.html
NOAA's Coral Health and Monitoring Program (CHAMP)::http://www.coral.noaa.gov/
NOAA's Coral Reef Conservation Program::http://coralreef.noaa.gov/
NOAA's Coral Reef Information System::http://www.coris.noaa.gov/
Crops
Ecocrop::http://ecocrop.fao.org/
GAEZ Global Agro-Ecological Zones::http://www.fao.org/WAICENT/FAOINFO/AGRICULT/AGL/agll/gaez/index.htm
Data structures - Standards
Spatial Data Transfer Standard (SDTS)::http://mcmcweb.er.usgs.gov/sdts/
Deep-sea drilling ships
Ocean Drilling Program::http://www-odp.tamu.edu/index.html
Demography
CIESIN::http://www.ciesin.org/
U.S. Census Bureau International Data Base (IDB)::http://www.census.gov/ipc/www/idb
Digital libraries
Alexandria Digital Library::http://www.alexandria.ucsb.edu/
Digital Map & Geographic Data, Princeton University Library::http://gisserver.princeton.edu/metadataexplorer/explorer.jsp
Harvard Geospatial Library::http://peters.hul.harvard.edu:8080/HGL/jsp/HGL.jsp
Digital mapping
ARea Information System (ARIS)::http://aris.cseas.kyoto-u.ac.jp/mapserver/vmap0_int_9.html
ArcWeb Explorer::http://www.arcwebservices.com/awx/index.jsp
BG-Map Botanical Garden Mapping System::http://www.bg-map.com/
CIA World DataBank II::http://www.evl.uic.edu/pape/data/WDB/
Cartographic and Spatial Data on the Internet::http://www.lib.uchicago.edu/e/su/maps/mapweb.html
Centro Internacional de Agricultura Tropical::http://gisweb.ciat.cgiar.org/sig/inicio.htm
Cornell's Geoscience Information System::http://atlas.geo.cornell.edu/
Digital Chart of the World::http://www.maproom.psu.edu/dcw/
Digital Chart of the World and Data Quality Project::http://www.umb.no/ikf/gis/dcw/
Digital Elevation Data Catalogue::http://www.geo.ed.ac.uk/home/ded.html
Download Planet Earth::http://www.geocities.com/TimesSquare/1658/earth.html
Expedia Maps::http://www.expediamaps.com
Flash Earth ...satellite and aerial imagery of the Earth in Flash::http://www.flashearth.com/
Flood Maps::http://flood.firetree.net/
GEOPortal::http://www.geoportal.org/
GMT - The Generic Mapping Tools::http://gmt.soest.hawaii.edu/
GPSy (TM) - Digital Map Library::http://www.gpsy.com/maps/
GTOPO30 - Global Topographic Data::http://edcwww.cr.usgs.gov/landdaac/gtopo30/gtopo30.html
GTOPO30::ftp://edcftp.cr.usgs.gov/pub/data/gtopo30/
GeoGratis::http://geogratis.cgdi.gc.ca/frames.html
GeoMedia Web Map V2.0 Demo::http://maps.intergraph.com/GWMDemo/Main.asp
GéoPortail::http://www.geoportail.fr/
GeoWeb Java Corner::http://www.ggrweb.com/geojava/
Geography Network::http://www.geographynetwork.com/
Globalis - an interactive world map::http://globalis.gvu.unu.edu/
Google Earth::http://earth.google.com/
Google Earth Blog::http://www.gearthblog.com/index.html
Google Earth Community: Viewing list of forums::http://bbs.keyhole.com/
Google Maps::http://maps.google.com/
GoogleMap::http://www.googlemap.com/
Graphic Maps::http://www.graphicmaps.com/graphic_maps.html
ISCGM - International Steering Committee for Global Mapping::http://www.iscgm.org/
Import a VMAP Level 1 File::http://www.manifold.net/doc/7x/import_a_vmap_level_1_file.htm
Interactive Mapping and Analysis Tools::http://atlas.geo.cornell.edu/ima.html
Introducing Natural Earth::http://www.shadedrelief.com/natural/index.html
Land Processes Distributed Active Archive Center::http://lpdaac.usgs.gov/main.asp
Latitude and Longitude of a Point::http://itouchmap.com/latlong.html
Live Search::http://maps.live.com/
Map Machine::http://plasma.nationalgeographic.com/mapmachine/
Map-It: Form-based Map Generator::http://crusty.er.usgs.gov/mapit/index.html
MapJunction.org - Open Source MultiMedia Mapping::http://www.mapjunction.org/
Maps, Directions and Utilities for the PC, Mac, iPod touch and iPhone::http://itouchmap.com/
Multimap.com::http://multimap.com/
NASA GISS: G.Projector - Global Map Projector::http://www.giss.nasa.gov/tools/gprojector/
NASA World Wind::http://worldwind.arc.nasa.gov/
National Geographic Map Machine::http://www.nationalgeographic.com/resources/ngo/maps/index.html
National Geospatial-Intelligence Agency::http://www.nga.mil/
Online Map Creation::http://www.aquarius.geomar.de/omc/omc_intro.html
OpenStreetMap::http://wiki.openstreetmap.org/
PLUE Applications and Products::http://plue.sedac.ciesin.org/plue/
Spatial Effects::http://www.spatial-effects.com/
TerraServer::http://www.terraserver.com/
U.S. State Department: Digital Diplomacy for Students::http://www.state.gov/www/digital_diplomacy/index.html
USGS: Viewing USGS Maps and Aerial Photo Images Online::http://nationalmap.gov/gio/viewonline.html
VMAP Extraction and Production Guidance Database (VEPGB)::http://earth-info.nga.mil/publications/vepgdb/vep1.html
Welcome to Maporama.com::http://world.maporama.com/idl/maporama/
Wikimapia - Let's describe the whole world!::http://www.wikimapia.org/
World66 - visited countries::http://www.world66.com/myworld66/visitedCountries
Directories
Cyber-Geography Research::http://www.cybergeography.org/
GeoWeb for GIS/GPS/RS::http://www.ggrweb.com/
Librarians' Index to the Internet::http://lii.org/
Distances
Great Circle Mapper::http://gc.kls2.com/
How far is it?::http://www.indo.com/distance/
Surface distance between points of Latitude and Longitude::http://catalog.eol.ucar.edu/sbi/catalog_hly-04-02/other/lat-long.htm
Early maps - Periodicals
Antique Maps - Map the Universe::http://www.maptheuniverse.com/
MapForum.Com::http://www.mapforum.com/
Early maps - Prices
EBAY Maps/Atlases::http://listings.ebay.com/aw/listings/list/category582/index.html
Early maps
Art Source International::http://www.mapsandprints.com/
Art.com::http://www.art.com/
Bodleian Library Map Room::http://www.bodley.ox.ac.uk/users/nnj/
European World View: Imagined and Observed::http://sunsite.unc.edu/expo/1492.exhibit/b-Mediterranean/exp.horiz.html
Gedigitaliseerde kaarten Universiteitsbibliotheek Utrecht::http://kaarten.library.uu.nl/
General Maps and Atlases Home Page::http://memory.loc.gov/ammem/gmdhtml/gnrlhome.html
Hargrett Library Rare Map Collection::http://www.libs.uga.edu/darchive/hargrett/maps/maps.html
Historical Maps - Old Maps & Gazetters Online::http://genealogy.about.com/od/historical_maps/index.htm
Historical Maps Room::http://www.disknet.com/indiana_biolab/eg590.htm
Images of Early Maps on the Web::http://www.maphistory.info/webimages.html
Jingban Tianwen Quantu::http://www.rice.edu//fondren/erc/projects/jingban/
John H. W. Stuckenberg Map Collection at Gettysburg College::http://www.gettysburg.edu/library/gettdigital/maps/index.html
Newberry Library: Smith Center Publications: Slide Sets::http://www.newberry.org/smith/slidesets.html
Rare Map Collection - The New World::http://scarlett.libs.uga.edu/darchive/hargrett/maps/neworld.html
UBC Cartographic Archives and Historical Maps::http://www.library.ubc.ca/spcoll/cartog.html
WHKMLA: Historical Atlas::http://www.zum.de/whkmla/histatlas/haindex.html
Yale University Library - The Map Collection::http://www.library.yale.edu/mapcoll/print_online.html
Zoom Into Maps::http://memory.loc.gov/learn/features/maps/index.html
Earth - Photographs from space
CEPS - RPIF Space Shuttle Photographs::http://www.nasm.si.edu/research/ceps/rpif/sspr.cfm
Cities Collection::http://city.jsc.nasa.gov/cities/default.htm
Earth from Space::http://earth.jsc.nasa.gov/sseop/efs/
ISS EarthKAM for Educators::http://www.earthkam.ucsd.edu/public/index.shtml
Shuttle images of Earth::http://rove.to/
Space Acquired Photography::http://edc.usgs.gov/products/aerial/space.html
The Gateway to Astronaut Photography of Earth::http://eol.jsc.nasa.gov/
Earth - Orbit
International Earth Rotation Service::http://www.iers.org/
Earth sciences - Study and teaching
NASA's Science Mission Directorate::http://science.hq.nasa.gov/
The Virtual Geosciences Professor::http://www.uh.edu/~jbutler/anon/anonfield.html
columbia earthscape::http://www.earthscape.org/
Earth sciences
Earth Science World::http://www.earthscienceworld.org/
Federation of Earth Science Information Partners::http://www.esipfed.org/
Goddard Earth Sciences (GES) Data and Information Services Center (DISC)::http://daac.gsfc.nasa.gov/
Links to Great Earth-Science Resources::http://www.unige.ch/sciences/terre/admin/terre_link.html
NASA Goddard Space Flight Center's Laboratory for Terrestrial Physics::http://ltpwww.gsfc.nasa.gov/
NASA MSFC Marshall Space Flight Center Earth Science Office::http://wwwghcc.msfc.nasa.gov/
Earthquakes - Interferometry
Crustal Strain and Topography from Synthetic Aperture Radar Interferometry::http://topex.ucsd.edu/SAR/sar.html
Earthquakes
Latest Earthquakes in the World::http://earthquake.usgs.gov/eqcenter/recenteqsww/
Maps and Lists of Current Earthquake Activity::http://www.earthwaves.org/current1.html
National Earthquake Information Center::http://wwwneic.cr.usgs.gov/
Surfing the Internet for Earthquake Data::http://www.geophys.washington.edu/seismosurfing.html
USGS Earthquake Hazards Program::http://earthquake.usgs.gov/
USGS World Earthquake Information by Country/Region::http://earthquake.usgs.gov/regional/world.php
The World-Wide Earthquake Locator::http://www.geo.ed.ac.uk/quakes/quakes.html
Ecology
The Woods Hole Research Center::http://www.whrc.org/whrc.htm
Welcome to the Green Map System::http://www.greenmap.com/
Economics - Sociological aspects
Socioeconomic Data and Applications Center::http://sedac.ciesin.columbia.edu/
Ecosystem management
Natural Resource Ecology Laboratory::http://www.nrel.colostate.edu/
El Niño Current
Comparison of Different El Niño and La Niña Events::http://www.cdc.noaa.gov/ENSO/enso.different.html
El Niño / La Niña Animation Page::http://www.cdc.noaa.gov/~map/maproom/text/climate_pages/sst_olr/el_nino_anim.shtml
El Niño Forecast, SIO Climate Research::http://meteora.ucsd.edu/~pierce/elnino/elnino.html
El Niño Resources: Bibliographies::http://www.coaps.fsu.edu:80/lib/elninolinks/bibs/bib_map.html
El Niño Theme Page: Distributed Information on El Niño::http://www.pmel.noaa.gov/tao/elnino/nino-home-low.html
Frequently Asked Questions about El Niño and La Niña::http://www.pmel.noaa.gov/tao/elnino/faq.html
NOAA/PMEL Tropical Atmosphere Ocean (TAO) Array::http://www.pmel.noaa.gov/toga-tao/home.html
Electronic journals
Earth Observation Magazine::http://www.eomonline.com/
GeoCommunity::http://www.geocomm.com/
Mappa.Mundi Magazine::http://mappa.mundi.net/
Spatial News::http://www.SpatialNews.com/
The Harlow Report - GIS::http://www.theharlowreport.com/
e-Perimetron::http://www.e-perimetron.org/
Encyclopedias and dictionaries
AGI GIS dictionary::http://www.geo.ed.ac.uk/agidict/welcome.html
GIS Dictionary - ESRI Support::http://support.esri.com/index.cfm?fa=knowledgebase.gisDictionary.gateway
Environmental engineering
UNEP/GRID - Arendal::http://www.grida.no/
Environmental management
National Center for Earth-surface Dynamics::http://www.nced.umn.edu/
Environmental monitoring
Environmental Sustainability Index::http://sedac.ciesin.columbia.edu/es/esi/
Environmental sciences
CGRER GeoData Information Sources::http://www.cgrer.uiowa.edu/servers/servers_geodata.html
Columbia Environmental Research Center (CERC)::http://www.cerc.usgs.gov/index.htm
ECOCART::http://www.ecocart.com/
EarthTrends | Environmental Information::http://earthtrends.wri.org/
EnviroLink::http://envirolink.org/
GeoIndex: a search engine for Geo-environmental professionals::http://www.geoindex.com/
Global Network of Environment and Technology::http://www.gnet.org/
NCAR - Institute for the Study of Society and Environment (ISSE)::http://www.isse.ucar.edu/
UNEP - United Nations Environment Programme::http://www.unep.org/
UNEP/DEWA/GRID - Europe Homepage::http://www.grid.unep.ch/
United Nations Environment Programme UNEP/GRID - Sioux Falls::http://grid2.cr.usgs.gov/
WRI Datasets::http://www.wri.org/pubs/datasets.cfm?SortBy=1
World Resources Institute::http://www.wri.org/
Fire ecology
Tall Timbers Research Station::http://www.ttrs.org/
Fishery products
FAOSTAT: FAO Statistical Databases::http://faostat.fao.org/
Forest fires
Imaging Systems Laboratory::http://www.imlab.psu.edu/
OSEI Fire Events::http://www.osei.noaa.gov/Events/Fires/
Forest management
Imaging Systems Laboratory::http://www.imlab.psu.edu/
Forest products
FAOSTAT: FAO Statistical Databases::http://faostat.fao.org/
Forests and forestry
EC/ODI Sourcebook - The EU Tropical Forestry Sourcebook::http://www.odi.org.uk/tropics/Sourcebook/
Forest Data Home Page::http://www.forestdata.com/
Global Forest Watch::http://www.wri.org/gfw/
International Network of Forests and Communities::http://www.forestsandcommunities.org/
Frozen ground
NSIDC Data::http://nsidc.org/data/index.html
Gazetteers
Alexandria Digital Library Gazetteer::http://www.alexandria.ucsb.edu/clients/gazetteer
Board on Geographic Names (BGN)::http://geonames.usgs.gov/
Geonames Query Home Page::http://gnswww.nga.mil/geonames/GNS/index.jsp
Getty Thesaurus of Geographic Names (TGN)::http://www.getty.edu/research/conducting_research/vocabularies/tgn/
Global Gazetteer of the American Revolution::http://gaz.jrshelby.com/index.htm
Global Gazetteer Version 2.1::http://www.fallingrain.com/world/
Historical Maps - Old Maps & Gazetters Online::http://genealogy.about.com/od/historical_maps/index.htm
NGA: GNS; GEOnet Names Server (GNS)::http://earth-info.nga.mil/gns/html/index.html
NGA: GNS; Names Files of Selected Countries::http://earth-info.nga.mil/gns/html/cntry_files.html
World Gazetteer::http://www.world-gazetteer.com/
Genocide
Yale > Genocide Studies Program > Maps and Satellite Images::http://www.yale.edu/gsp/maps/index.html
Geodesy
Coordinate Systems Overview::http://www.colorado.edu/geography/gcraft/notes/coordsys/coordsys_f.html
Geodesy for the Layman::http://www.ngs.noaa.gov/PUBS_LIB/Geodesy4Layman/toc.htm
Geodetic Datum Overview::http://www.colorado.edu/geography/gcraft/notes/datum/datum_f.html
MapRef - Map Projections and Reference Systems::http://www.geocities.com/CapeCanaveral/1224/mapref.html
NGA: (U) Office of GEOINT Sciences: Publications (UNCLASSIFIED)::http://earth-info.nga.mil/GandG/publications/
Geographic information systems - Bibliography
Current Literature on GIS and Libraries::http://library.lib.mcmaster.ca/maps/tools.htm
GeoPlace.com::http://www.geoplace.com/
Spatial Odyssey::http://libraries.maine.edu/spatial/Gisweb/
Geographic information systems - History
GiS TiMELiNE::http://www.casa.ucl.ac.uk/gistimeline/gistimeline.html
The GIS History Project::http://www.geog.buffalo.edu/ncgia/gishist/
Geographic information systems - Study and teaching
AGI GIS dictionary::http://www.geo.ed.ac.uk/agidict/welcome.html
CSISS - GIS Cookbook::http://www.csiss.org/cookbook/
ESRI Mapping Center::http://mappingcenter.esri.com/
Edinburgh Geographical Information Systems (GIS) Server Home Page::http://www.geo.ed.ac.uk/home/gishome.html
Frappr! - GIS Librarians::http://www.frappr.com/gislibrarians
GIS Certification Institute::http://www.gisci.org/
GIS Data Depot - GIS Data Formats::http://data.geocomm.com/helpdesk/formats.html
GIS Day::http://www.gisday.com
GIS Dictionary - ESRI Support::http://support.esri.com/index.cfm?fa=knowledgebase.gisDictionary.gateway
GISuser.com::http://www.gisuser.com/
GInfoServer: WWW GIS-Resources::http://www.geo.uni-bonn.de/members/haack/gisinfo.html
Graphics/fileformats FAQ::http://www.faqs.org/faqs/graphics/fileformats-faq/
SlashGISRS: In+ersec+ion for Spatial People::http://slashgisrs.org/
The Graphics File Format Page::http://www.dcs.ed.ac.uk/home/mxr/gfx/
The Programmer's File Format Collection::http://www.wotsit.org/
Geographic information systems
BG-Map Botanical Garden Mapping System::http://www.bg-map.com/
Centro Internacional de Agricultura Tropical::http://gisweb.ciat.cgiar.org/sig/inicio.htm
Cornell's Geoscience Information System::http://atlas.geo.cornell.edu/
DIVA-GIS::http://www.diva-gis.org/
GIS Data Depot::http://www.gisdatadepot.com/
GIS Data and Resources at NSIDC::http://nsidc.org/data/gis/
GIS WWW Resource List::http://www.geo.ed.ac.uk/home/giswww.html
GRASS GIS::http://grass.itc.it/
Global GIS::http://webgis.wr.usgs.gov/globalgis/
HumanitarianInfo.org::http://www.humanitarianinfo.org/
ICEDS Web Portal - Integrated CEOS European Data Server::http://iceds.ge.ucl.ac.uk/
ICESS Gateway::http://www.icess.ucsb.edu/
International Livestock Research Institute (ILRI) - GIS Database::http://www.ilri.cgiar.org/gis/
Journalist's Guide to Satellite & Aerial Remote Sensing and GIS::http://www.american.edu/radiowave/
Mapdex: search geographic data::http://www.mapdex.org/search/
Mapping a Planet's Restless Past::http://www2.uchicago.edu/alumni/alumni.mag/9512/9512Mapping.html
Maps & GIS INFOMINE::http://infomine.ucr.edu/cgi-bin/search?category=maps
Maps and GIS Sources on the WWW and in Print In Order by Category::http://www.albany.edu/~ls973/newmaps.html
NSDI Clearinghouse Nodes - Websites Associated with Clearinghouse::http://clearinghouse4.fgdc.gov/registry/clearinghouse_sites.html
Nice Geography and GIS sites::http://www.frw.ruu.nl/nicegeo.html
ORNL DAAC data::ftp://daac.ornl.gov/data/
Open GIS Consortium::http://www.opengis.org/
THREDDS Data Server Catalog Service::http://daac.ornl.gov/thredds.shtml
The Ultimate Mapping/GIS Directory::http://www.gismonitor.com/
USGS GEO-DATA Explorer (GEODE)::http://geode.usgs.gov/
USGS Seamless Data Distribution System::http://seamless.usgs.gov/
Welcome to NGA Earth - Your portal to NGA imagery, maps, and products::http://www.nga-earth.org/
Geography - Bibliography
American Geographical Society Library - Current Geographical Publications::http://www.uwm.edu/Libraries/AGSL/cgp_toc/cgp_toc.html
Geography - Study and teaching
Electronic Resources for Geography::http://ejw.i8.com/geogweb.htm
My Wonderful World::http://www.mywonderfulworld.org/
Rethinking Schools - Just For Fun - Map Game::http://www.rethinkingschools.org/just_fun/games/mapgame.html
U.S. State Department: Digital Diplomacy for Students::http://www.state.gov/www/digital_diplomacy/index.html
Xpeditions::http://www.nationalgeographic.com/xpeditions/
Geography
CyberStacks (sm) Geography, Anthropology and Recreation Screen::http://www.public.iastate.edu/~CYBERSTACKS/hybrow_g.htm
Geographic Information from the St. Charles City County Library District::http://www.win.org/library/services/gis/gishp.htm
National Geographic Society::http://www.nationalgeographic.com/
Nice Geography and GIS sites::http://www.frw.ruu.nl/nicegeo.html
Ready Reference: Maps and Geography::http://www.itcompany.com/inforetriever/maps_geo.htm
Geological time
Geological Time Machine::http://www.ucmp.berkeley.edu/help/timeform.html
Geology - Study and teaching
GeologyLink®::http://college.hmco.com/geology/resources/geologylink/index.html
The Educational Multimedia Visualization Center of the Dept. Geological Sciences, U.C.S.B (EMVC)::http://emvc.geol.ucsb.edu/
Geology, Structural
Digital Tectonic Activity Map (DTAM)::http://denali.gsfc.nasa.gov/dtam/
Geology
Center for Earth and Planetary Studies::http://www.nasm.si.edu/ceps/
USDOC/NOAA/NESDIS/National Geophysical Data Center (NGDC) Home Page::http://www.ngdc.noaa.gov/
Geomagnetism
International Association of Geomagnetism and Aeronomy::http://www.iugg.org/IAGA/
Magnetic Declination, Models, Data and Services from NGDC::http://www.ngdc.noaa.gov/seg/geomag/
USGS National Geomagnetism Program::http://geomag.usgs.gov/
Geomorphology
NGDC/WDC MGG, Boulder - 2 minute bathymetry/topography image selector::http://www.ngdc.noaa.gov/mgg/global/seltopo.html
NGDC/WDC MGG, Boulder - ETOPO2 2-Minute Worldwide Bathymetry/Topography Grids::http://www.ngdc.noaa.gov/mgg/fliers/01mgg04.html
Virtual Geomorphology::http://www.sgp.org.pl/gw/gw.htm
Geophysics
GMT and Geophysics Links::http://www.ruf.rice.edu/~ben/gmt.html
Institute of Solar-Terrestrial Physics Russian Academy of Sciences, Siberian Branch::http://iszf.irk.ru/projects.php
NGA: (U) Office of GEOINT Sciences: Publications (UNCLASSIFIED)::http://earth-info.nga.mil/GandG/publications/
NGDC/STP - Solar-Terrestrial Physics and World Data Center for Solar-Terrestrial Physics, Boulder::http://www.ngdc.noaa.gov/stp/stp.html
USDOC/NOAA/NESDIS/National Geophysical Data Center (NGDC) Home Page::http://www.ngdc.noaa.gov/
Glaciers
Byrd Polar Research Center::http://www-bprc.mps.ohio-state.edu/
NSIDC Data::http://nsidc.org/data/index.html
USDOC/NOAA/NESDIS/National Geophysical Data Center (NGDC) Home Page::http://www.ngdc.noaa.gov/
World Glacier Inventory::http://nsidc.org/data/glacier_inventory/
World Glacier Inventory - Glacier Data Map Viewer::http://map.ngdc.noaa.gov/website/nsidc/glacier/viewer.htm
Global Positioning System - Study and teaching
Global Positioning System Primer::http://www.aero.org/education/primers/gps/index.html
Global Positioning System
GPS Applications Exchange::http://gpshome.ssc.nasa.gov/
Global Positioning System Overview::http://www.colorado.edu/geography/gcraft/notes/gps/gps.html
NMEA-0183 and GPS Information::http://vancouver-webpages.com/peter/index.html
Global environmental change
Global Change Data and Information System (GCDIS)::http://globalchange.gov/
Global Change Master Directory (GCMD)::http://gcmd.gsfc.nasa.gov/
Imaging Systems Laboratory::http://www.imlab.psu.edu/
Jurassic Reef Park::http://www.uni-stuttgart.de/UNIuser/igps/edu/JRP/
NASA Earth Observatory::http://www.earthobservatory.nasa.gov/
U.S. Global Change Research Information Office (GCRIO)::http://www.gcrio.org/
Global temperature changes
NCDC: Global Surface Temperature Anomalies::http://lwf.ncdc.noaa.gov/oa/climate/research/anomalies/anomalies.html
Global warming
Global Warming International Center::http://www.globalwarming.net/
Global Warming: Early Warning Signs::http://www.climatehotmap.org/
NOAA Paleo Global Warming Home::http://www.ncdc.noaa.gov/paleo/globalwarming/home.html
NRDC: Global Warming::http://www.nrdc.org/globalWarming/default.asp
Globes
Coronelli Globe Society Home Page::http://www.coronelli.org/
The Great Globe Gallery::http://www.staff.amu.edu.pl/~zbzw/glob/glob1.htm
Glossaries
DeLorme - Mapping & GIS Glossary::http://www.delorme.com/glossary.aspx
Grids (Cartography)
The Universal Transverse Mercator (UTM) Grid::http://erg.usgs.gov/isb/pubs/factsheets/fs07701.html
Happiness
The World Map of Happiness::http://www.le.ac.uk/pc/aw57/world/sample.html
Hazardous geographic environments
Natural Hazards Data Resources Directory::http://www.ngdc.noaa.gov/seg/hazard/resource/
Heads of state
Rulers::http://rulers.org/
Health
WHO | Global Health Atlas::http://www.who.int/globalatlas/
WHO | Public Health Mapping and GIS | Map Library::http://gamapserver.who.int/mapLibrary/
WHO | World Health Organization::http://www.who.int/en/
Historical geography - Maps - Indexes
Broer Map Library - Historic Map Index::http://www.broermapsonline.org/members/mapindex/
Historical geography - Maps
Bodleian Library Map Room::http://www.bodley.ox.ac.uk/users/nnj/
Broer Map Library::http://www.broermapsonline.org/members/
General Maps and Atlases Home Page::http://memory.loc.gov/ammem/gmdhtml/gnrlhome.html
Hargrett Library Rare Map Collection::http://www.libs.uga.edu/darchive/hargrett/maps/maps.html
Historic Cities: Maps & Documents::http://historic-cities.huji.ac.il/
Historical Atlas of the 20th Century::http://users.erols.com/mwhite28/20centry.htm
Historical Map Archive::http://alabamamaps.ua.edu/historicalmaps/index.html
Historical Maps Overview::http://www.culturalresources.com/Maps.html
Maps Relating to Islam's Historical Development::http://ccat.sas.upenn.edu/~rs143/map.html
Maps of the Cold War::http://history.sandiego.edu/gen/20th/coldwarmaps.html
Trade Routes and Great Empires of the First Century A.D.::http://www.dalton.org/groups/Rome/RMap2.html
WHKMLA: Historical Atlas::http://www.zum.de/whkmla/histatlas/haindex.html
Zoom Into Maps::http://memory.loc.gov/learn/features/maps/index.html
Historical geography
Ancient World Mapping Center::http://www.unc.edu/awmc/
The Ryhiner Project::http://www.stub.unibe.ch/stub/ryhiner/ryhiner.html
Hurricanes
NOAA's 1998 Hurricane Season Wrap-up - Images::http://www.outlook.noaa.gov/98hurricanes/images.html
NOAA/AOML/Hurricane Research Division::http://www.aoml.noaa.gov/hrd/index.html
National Hurricane Center Tropical Prediction Center::http://www.nhc.noaa.gov/
The Tropical Meteorology Project::http://typhoon.atmos.colostate.edu/
Hydrology
Byrd Polar Research Center::http://www-bprc.mps.ohio-state.edu/
Hydrology Web::http://hydrologyweb.pnl.gov/index.asp
NSIDC Data::http://nsidc.org/data/index.html
Ice
ICESat/GLAS Data at NSIDC::http://nsidc.org/data/icesat/
NSIDC Data::http://nsidc.org/data/index.html
National Snow and Ice Data Center (NSIDC)::http://www-nsidc.colorado.edu/
State of the Cryosphere::http://nsidc.org/sotc/
Ice sheets
NSIDC Data::http://nsidc.org/data/index.html
Imaginary places
Guide to Springfield USA::http://www.mapofspringfield.com/
Map of Online Communities::http://imgs.xkcd.com/comics/online_communities.png
Schnebelins Schlaraffenlandkarte::http://www.kfunigraz.ac.at/ub/sosa/karten/schlaraffia.html
&