University Corporation for Atmospheric Research
Ucar: Paleoclimates and Pollen
In this extensive lesson, students examine and investigate pictures of pollen grains to determine the likely climate at the time the pollen was shed.
Ohio State University
Byrd Polar Research Center: Ice Core Paleoclimatology Research Group
This site explains the research of the Ice Core Paleoclimatology Group. See how they are coring ice samples all around the world to help better understand Earth's changing climate. Provides links to teaching materials.
NOAA
Noaa: What Is Paleoclimatology?
An introduction from NOAA to the study of Paleoclimatology. Provides link to the NOAA's Paleoclimatology Data page where there is a great deal of more information.
Other
British Geological Survey: Past Climates Examples
Describes the climates during several periods in the Earth's history.