NeoDys, Near Earth Objects - Dynamic Site
Searchable database of near Earth asteroids, risk calculations for possible collisions with Earth, orbit calculation software.
http://newton.dm.unipi.it/cgi-bin/neodys/neoibo

Planet Earth: An Introduction to Earth Sciences
Online text by Roger N. Anderson of Columbia University. Covers origins of the earth and life, plate tectonics, and formation and deformation of continents.
http://www.ldeo.columbia.edu/res/pi/4d4/planet/

Earth & Space Week
The Earth and Space Week Website provides the details of this event organised by European Commission and European Space Agency, to take place 12-20 February in Brussels, Belgium. This site is the portal for this event and all related events: Earth Observation Summit, Group on Earth Observation, International Conference on Cooperation in Space and Earth and Space Expo.
http://ec.europa.eu/research/conferences/2005/esw/index_en.htm

Terra Firma Earth Building Company
Rammed earth builders - Leading the field in durable, energy efficient, sustainable, healthy and comfortable solid, natural rammed earth homes. Consultation, Design and Construction
http://www.earthhomes.com

Journal of Geophysical Research - Solid Earth
Focuses on the physics and chemistry of the solid Earth and the liquid core of the Earth. Includes current issue abstracts, ordering of back issues, and electronic submissions.
http://www.agu.org/journals/jb/

IAU / Near Earth Objects
Summary of research on near Earth objects, activities of the International Astronomical Union's Working Group on Near Earth Objects (WGNEO).
http://www.iau.org/IAU/FAQ/neo.html

Museums Teaching Planet Earth
Educational earth science resources and software produced by Rice University in collaboration with the Houston Museum of Natural Science, funded by NASA under the Office of Earth Science
http://earth.rice.edu/mtpe/

Destination: Earth
This document is a NASA Science page.
http://www.earth.nasa.gov/

The Earth Science Educator
Web site of the Earth Sciences Division, NASA Goddard Space Flight Center
http://eartheducator.gsfc.nasa.gov/

Asteroids and Comets
Basic information about near Earth asteroids and the hazard they pose to Earth. Asteroid origins, potentially hazardous asteroids, Earth crossing asteroids, Torino impact scale.
http://www.geocities.com/joerg52/ASTEROIDS_and_COMETS.html