Intergeo (German fair for geodesy, cartography and photogrammetry)

Global Change: International Geosphere Biosphere Programme (IGBP)

• Global Change Data Center at Goddard Space Flight Center
  
• Global Change Master Directory at Goddard Space Flight Center
  
• Internationales Geosphären-Biosphären Programm
  Sekretariat des nationalen IGBP-Ausschusses der Bundesrepublik Deutschland
  

World Data Center-A for Marine Geology & Geophysics

European Commission's Centre for Earth Observation (CEO)

EWSE - An Information Exchange for Earth Observation

ESA Earth Observation Guide and Directory Service
Describes earth observation data, systems and applications.

GeoForschungsZentrum Potsdam
A multidisciplinary institute for geosciences, largest institute in geosciences in Germany.

National Oceanic and Atmospheric Administration of the USA

• National Geodetic Survey(see also in section "Geodesy")
  
• NOAA Geosciences Laboratory
  Geodynamics, Satellite and Ocean Dynamics, and other
  

• National Geophysical Data Center
  Data in the fields of solar-terrestrial physics, solid earth geophysics, marine geology and geophysics, paleoclimatology, and glaciology
  

  • Solid Earth Home Page
    Data on global change, geomagnetism, seismology, natural hazards such as earthquakes and tsunamis, gravity, topography, and other global phenomenon.
    
  • Gravity Data
    Collection of station, network, anomaly grids, regional surveys and satellite altimetry measurements
    
  • Marine Geology & Geophysics
    
    

NOAA Environmental Services Data Directory
A forms-based tool for searching for publicly available environmental data throughout the world. The Catalog includes over 25,000 records related to climatology, meteorology, ecology, geology, oceanography, remote sensing satellites, and many other areas.

Planet Earth Home Page

National Space Science Data Center
Contains also NSSDC'S Earth Science Services:

NASA, Goddard Space Flight Center

• Earth Sciences Directorate
  

NASA, Earth Observing System (EOS)

• Science Office at EOSDIS Core System (ECS)
  

  • EOSDIS Product Use Survey
    To estimate the size of data servers needed, size of communication links, the expected number of simultaneous users, and the load on the Information Management System
    
• Mission to Planet Earth
  

Fakultät für Geowissenschaften, LMU München

Gateway to Antarctica
The International Centre for Antarctic Information and Research

Proudman Oceanographic Laboratory, Merseyside, UK

NCSA Digital Library Overview, National Center for Supercomputing Application
Exemples for simulations and visualisations in several science fields, among them geosciences.

On-line Earth Science Journals

Earthquake Bulletin (near real time)

GeoClio: Webserver for the History of Geology and the Geosciences