Centers for Disease Control and Prevention
Centers for Disease Control: Shakespeare to Defoe: Malaria in England
Detailed analysis of the spread of malaria in England owing to changes in climate during the sixteenth and seventeenth centuries.
American Institute of Biological Sciences
Action Bioscience: Species, Speciation and the Environment
The American Institute of Biological Sciences offers this article by Niles Eldredge, evolutionary theorist and curator at the American Museum of Natural History. Eldredge begins with Darwin's theories and summarizes subsequent thought,...
Other
Geoscience Research Institute: The Little Ice Age
This very detailed article examines the long-term climate changes throughout the world. Discusses agriculture and provides graphs and illustrations. Includes lots of scientific discussion.