Maps & Geographical Information Systems

Mapas e Sistemas de Informação Geográfica

• Earth and Moon Viewer
  You can view either a map of the Earth showing the day and night regions at this moment, or view the Earth from the Sun, the Moon, the night side of the Earth, above any location on the planet specified by latitude, longitude and altitude, from a satellite in Earth orbit, or above various cities around the globe.
• Atlapedia Online
  Atlapedia Online contains full color physical and political maps as well as key facts and statistics on countries of the world.
• Atlas do Ambiente
  Portugal
• Bing Maps
  Maps and directions from Bing serach engine
• East View Cartographic
  Digital cartography
• EnviroMapper
  from US EPA
• ESRI Canada
  The official Canadian distributor of ESRI, the world leader in Geographic Information System (GIS) technology. Resources include GIS software, consulting, training and user support.
• Gapminder
  Statistics for a fact based world view
• GeoData Alliance Organizational Initiative
  USA Geospatial Information
• GeoSapo
  Portuguese maps
• Google Earth
  Google Earth combines satellite imagery, maps and the power of Google Search
• inovaGIS.org
  inovaGIS.org is a small community of people developing free software in Visual Basic, Delphi/Kylix and ASP for common, simple applications that use geographic information.
• Instituto Geográfico Português
  
• Legacy - The Landscape Connection
  Ecological maps and scientific reports
• Maporama
  Mapping and routing
• MapQuest
  Driving directions, maps and live traffic reports
• NASA Visible Earth
  A searchable directory of images, vizualizations, and animations of the Earth
• Oddens' Bookmarks
  The Fascinating World of Maps and Mapping - Over 19.500 Cartographic Links
• SNIG
  Portuguse site for Geographical Information Systems
• Terraserver
  Space imagery, Topographic Maps, from Microsoft
• Thematic mapping
  Using Geobrowsers for Thematic Mapping
• Via Michelin
  Maps, itinerary, green and red guide, traffic information
• World Sites Atlas
  Map collection and information pages