Key Earth Science Links
Quaternary Period—Pleistocene (6th) mass extinction?
Ecological Role of Prehistoric Humans. J.D. Allan, University of Michigan. Short, text summary of the possible causes for the Pleistocene extinctions for a class on biologic diversity. Text includes summary of the climate change vs. human overhunting theory.
Evolution--The Current Mass Extinction. Public Broadcasting System. Good summary of the theory that the earth is in the midst of a mass extinction. Includes graph of human population, text explanations concerning man's impact on biodiversity.
Will Humans Survive the Sixth Great Extinction? National Geographic.