Environmental History Resources is a fantastic website, maintained by Dr. Jan Oosthoek, an environmental historian based at the University of Newcastle, that explores how "environmental changes, often the result of human...

Websites that function as clearinghouses of information on a given topic (i.e. animal husbandry, ecology, and so on) have become much more common in recent years, and they can be fine resources for finding specific...

The Encyclopedia of Earth is a very ambitious effort to provide high-quality information on a wide range of subjects related to the Earth, its natural environments and their interaction with society. The "About" section...

Created by petroleum geology consultant David Barthelmy, the Mineralogy Database Web site reportedly contains 4,281 individual minerals and descriptions. Visitors can browse the minerals by crystal system, by x-ray...