A new study by an Indiana University paleontologist and colleagues in Tennessee and Germany reconstructs the effects of past climatic changes on 59 species of North American turtles. (archive.news.indiana.edu)
A new study that reconstructs the effects of past climatic changes on 59 species of North American turtles finds that the centers of the turtles» ranges shifted an average of 45 miles for each degree of warming or cooling. (nimbios.org)
Another likely cause of past climatic changes is variations in the energy output of the Sun. (ipcc.ch)