Speleological Society of Manitoba - Discover Manitoba Caves
The Speleological Society of Manitoba is involved in the exploration, research and conservation of caves and karst in Manitoba, Canada.
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Since 1941 the National Speleological Society has been dedicated to protecting, studying, and exploring caves. With 8, 000 members we are the largest cave focused membership organization in the world.
As Canada's largest national cancer charity, the Canadian Cancer Society funds cancer research, offers cancer support services and shares trusted information.
WVASS introduction, organization, accomplishments and publications
American Gem Society is comprised of the top jewelers in the U.S. and Canada and offers the best gemstone and diamond information. Find top jewelers today.
Missouri Caves and Karst Conservancy, established in 1992, is a land trust focuing on cave management, education and conservation.
Explore National Geographic. A world leader in geography, cartography and exploration.
Virginia Speleological Survey (VSS) - a non-profit volunteer organization that collects and maintains information concerning the caves and karst resources in Virginia
The Nature Conservancy of Canada (NCC) is Canada's leading national land conservation organization. Since 1962, NCC and our partners have helped to conserve 15 million hectares of ecologically significant land nationwide.
Ducks Unlimited Canada has been conserving wetlands and other natural spaces for waterfowl, wildlife, and people for more than 80 years.
Texas Cave Conservancy, TCC, management of caves and karst features in Texas
A guide to travel destinations: show caves, show mines and other subterranean sights all over the World
Arizona Cave Survey Official Site - Locating, Exploring, and Documenting the Caves of Arizona.
A Colorado Organization of the NSS
The Marine Conservation Society is the UK's leading marine charity by and for ocean lovers. We are the go-to voice of the ocean, defending habitats and species.
Shell is a global group of energy and petrochemical companies. Learn more about Shell on our global website.
The Planetary Society is the largest and most effective nonprofit organization that promotes the exploration of space through education, advocacy, and..
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The Colorado Cave Survey is an elected body of cavers who serve as a liaison to maintain an open and cooperative relationship between the Colorado caving
We're ZSL - an international conservation charity driven by science, working to restore wildlife in the UK and around the world. Become a supporter today.
Audubon protects birds and the places they need, today and tomorrow.
PELA GeoEnvironmental is an environmental consulting firm providing geologic and hydrogeologic solutions for clients like Alabama Power, Waste Management, and more. We specialize in karst sinkhole identification and remediation.
The National Park Service cares for special places saved by the American people so that all may experience our heritage.
Speleogenesis.info integration and promotion of cave and karst research community
Bats are vital to our world's ecosystems and economy, We're working worldwide to ensure the survival of these extraordinary mammals.
The National Cave & Karst Management Symposia promote, advance and share concepts in effective management of cave and karst resources.
The International Telecommunication Union (ITU) is the United Nations specialized agency for information and communication technologies - ICTs.
British Caving Association - Great Britain’s national body for underground exploration.
White Scar Cave in the Yorkshire Dales National Park is the longest show cave in England and the UK, open from 10am daily February to October, weekends Nov to Jan
KCRW creates & curates music discovery, NPR news, cultural exploration and informed public affairs. From Los Angeles to around the world, KCRW.com.
Explore nature and culture from the inside out. Oh, we love dinosaurs. But we can show you the whole world at the Museum and online.
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