National Speleological Society - Advancing the study, conservation, exploration, and knowledge of caves. Although primary focus is on recreation, site has extensive information and links about caves and karst.

Geoindicators Karst Activity - A guide to how the karst landscape can be used to determine changes in the environment.

Marine Geology and Geophysics Papers - Interpretation of 3-D seismics from the Barents Sea.

Karst Hydrology - A guide to cavern development and related environmental issues.

Center for Cave and Karst Studies - Western Kentucky University research on all aspects of cave and karst studies with an emphasis upon solving environmental problems associated with karst in the Mammoth Cave region.

Yugoslav Karst - The geology and distribution of karst in Yugoslavia.

Canadian Karst Resources and Issues - Discussions, papers, glossary of terminology as well as Canada related links.

Cave and Karst Terminology - A full glossary maintained by J N Jennings of the Australian Speleological Federation.

Karst in British Columbia - Information on Karst formation, related habitats and ecosystems, modern and traditional useage and management of resources.

BCRA Cave & Karst Science - Publication from the British Cave Research Association.

Cave Research Foundation - Dedicated to documenting, studying and protecting caves and karst resources, USA.

Glossary of Karst Related Terms - Compiled by Caving Canada.

Karst Dynamics Laboratory - Institute based in Guilin, China undertaking research that includes the development of karst water resources, the carbon cycle in karst and geological hazards.

Karst Link Page - Large collection of links to web sites about karst and the study of karst around the world. Page is maintained by The Association of Polish Geomorphologists.

IGCP Projects - Information on Karst related projects supported by UNESCO and the International Union of Geological Sciences.

Karst Information Pages - Links to useful information relating to karst and its landscapes.

Bird's-eye view of Monroe County - Short article discussing the problems of living on karst landscapes in Illinois, USA.

Karsts of Australia - Short discussion of karst development in Australia.