ICS 2025 – Call for Papers – Deadline extended to February 10

To meet the requests of numerous speleologists from different countries, the Organizing Committee of the 19th ICS has extended the deadline for submitting papers to February 10, 2025. With this initiative, more people will be able to complete their researchs and submit them in time to be included in the Proceedings of the world's premier speleological event. Visit the website www.speleo2025.org Check the Guidelines and submit your paper.
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New UIS Bulletin available

We are glad to share with you Volume 66-2 of the UIS Bulletin. The PDF Interactive format can be downloaded by clicking on the link: http://uis-speleo.org/wp-content/uploads/2025/01/UIS-Bulletin-66-2-December-2024.pdf The 76 pages of this issue bring the following topics: TABLE OF CONTENTS • Editorial: “Dedication and Commitment are the Keys to Collective Success” • President’s Column - by Nadja Zupan Hajna: “Together for Tomorrow: Advancing Caves and Karst” • UIS Bureau Meeting 2024: Activities in Malaysia and Indonesia • France Habe Prize 2024: The Winner • The Wuinant-Haminte System (Belgium): History, Conservation, and Management • International Cave Animal of the Year: Lepdoptera - Butterflies and Moths! • UIS Arts and Letters Commission presents the new logo • Study on the Cuban “Osito” Descender • The New Face of Balkan Cavers’ Camp 2024 in…
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Season’s Greetings from the UIS President

Dear speleologists, As we approach the end of the year, we should reflect on the incredible dedication and passion that unite us all in the world of speleology. From exploring the Earth's hidden treasures to advancing our understanding of caves and karst systems, we are a global community united by common goals and challenges. May the new year bring us further collaboration, awe-inspiring discoveries and increased efforts to protect the fragile cave and karst environment. Together we will illuminate the underground world and promote its recognition and preservation on a global scale. I hope to see many of you at the 19th International Congress of Speleology (19th ICS) in Belo Horizonte, Brazil, where we can celebrate our shared passion and achievements. Wishing you joyful holidays and a new year full…
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19th ICS – Deadline extended

If you have not yet submitted your scientific paper to the 19th International Congress of Speleology (ICS), you are giving the new deadline: JANUARY 20, 2025. Don’t miss this excellent opportunity to share your research and interact with leading experts in the field of caves and karst. Join this important event, which will bring together the 38th Brazilian Congress of Speleology and celebrate the 60th anniversary of the UIS! For more information, please visit the website: www.speleo2025.org
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Speleological Events Support 2024 – New Call!

Dear Colleagues, Dear Friends, We are glad to inform you, that the second Call for speleological events support in 2024 is open! Granted can be the international expeditions or other events focused on exploration, study, or protection of caves and karst, with emphasis on educational, technical and/or scientific cooperation. UIS Bureau especially encourage young cavers and scientists to submit proposals for their projects, and the Bureau will take these submissions into prefer consideration. All requests should contain description of proposed event as detailed as you are thinking is important for understanding the aims of your project, the purpose for which the funds will be used and show explicitly, that the proposed event is in line with the Statutes, Internal Regulations and Code of Ethics of the UIS. Requests which do…
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Winner of the 2024 Habe France Prize announced

The 2024 Prize This year, although very different, the topics addressed by the candidates were treated by highlighting a wide range of options such as raising awareness of caving, the protection and conservation of caves and karst environments, the concomitance between exploration results and scientific research, education and tourism without forgetting to identify ways to perpetuate their objectives. The members of the 2024 France Habe Prize Jury rated each submission using an evaluation grid covering relevance, presentation, interdisciplinarity, photography, scientific content, readability and originality. They unanimously decided to award the 2024 France Habe Prize to the monograph project “La Magne souterraine – Le système Wuinant-Haminte et autres phenomena karstiques de la vallée de la Magne” (Belgium) represented by Paul De Bie. The winner will be rewarded with an amount of…
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September 13, IYCK towards IDCK

On September 13, 2021, we had the honor of presenting the fascinating world of caves and karst at UNESCO Headquarters in Paris. This groundbreaking event, which took place as part of the International Year of Caves and Karst (IYCK), laid the foundation for the UIS initiative to proclaim September 13 as the International Day of Caves and Karst (IDCK). Let us continue to raise awareness and appreciation for these natural wonders that play such an important role in our world! Nadja Zupan Hajna UIS President
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19th INTERNATIONAL CONGRESS OF SPELEOLOGY 2025 – Second Circular available

Dear speleologists, cavers, and cave lovers around the world, we are pleased to share with you the Second Circular of the 19th International Congress of Speleology (ICS), the world's premier speleological event. Please see the 19th ICS website www.speleo2025.org for complete details. There you will find a variety of useful resources for planning your participation in the congress, as well as regular updates to help you on the progress of your preparations. Take advantage of the 19th ICS not only to improve your technical and scientific knowledge, but also to make new connections and strengthen ties with colleagues from all over the world. The 19th ICS will be a unique opportunity to share common experiences, discoveries and passions in an atmosphere of friendship and collaboration.
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Call for support for the IDCK proclamation

The International Union of Speleology (UIS), in cooperation with the Slovenian National Commission for UNESCO, is actively promoting the establishment of the International Day of Caves and Karst (IDCK – September 13). Why September 13th? Because there is no other international day on this date, because no nationality is favored and because on this day in 2021 caves and karst were presented to UNESCO for the first time (although the UIS was founded on September 16), and because UNESCO representatives like the idea. You can read more about the UIS proposal in a new UIS Bulletin 66-1. It does not matter if your country or region already celebrates a specific cave day other than the International Day of Caves and Karst proposed here, it's just important that the public learns…
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New UIS Bulletin available

We are glad to share with you Volume 66 of the UIS Bulletin. The PDF Interactive format can be downloaded by clicking on the link: http://uis-speleo.org/wp-content/uploads/2024/07/UIS-Bulletin-Volume-66-1-June-2024.pdf The 60 pages of this issue bring the following topics: TABLE OF CONTENTS • Editorial: “One year to the 19th ICS and the 60th Anniversary of the UIS” • President’s Column - by Nadja Zupan Hajna: “Charting New Horizons” • UIS Becomes a Full Member of the International Science Counci • The UIS Archive in Postojna: demands - repeated urgent call! • UIS Book “Sixty Years of the UIS - 1965-2025” - History update • International Journal of Speleology - Special issue on Cave Monitoring: call for papers • UIS Informatics Commission: A New Presidency • 9th International Congress of Speleology - Call for registration • Exploring Scotland’s Subterranean Wonders: The Grampian Speleological…
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