Volume 64-1 of the UIS Bulletin

Volume 64-1 of the UIS Bulletin. The PDF Interactive format can be downloaded by clicking on the link: 


The 50 pages of this issue bring the following topics:

• Editorial: UIS Bulletin: The Last Five Years and Plans for the Years Ahead

• The President’s Column: An Ending and a Beginning

• Welcome message of the 18th International Congress of Speleology

• The Cave Time Capsule 2091 Project: Call to all countries

• The Closing Months of the UIS International Year of Caves and Karst

• 36th Brazilian Congress of Speleology dedicated to the IYCK

• Country Delegations at the UIS Congresses: A Brief Retrospective

• Cave Data Sharing Guidelines – A new UIS Project

• Report of Activities 2018-2022 – Materials and Techniques Commission

• Report of Activities 2017-2022 – Cave Diving Commission

• New Caves Found by Remote Location of Caves

• Cave and Karst Legal Status Wordwide Assessment

• France Habe Prize: 2021 Winner

• EU Nature Protection Award 2021 goes to German Speleological Federation

• Mladen Garaši?, UIS Bureau Member, is double honored

• Speleology Present at UN Conferences in Geneve, Nairobi, and Stockholm

• Endangered Kenyan Coastal Karst Caves

• In memoriam: Robby Ko King Tjoen (Indonesia)

• In memoriam: Avirmed Erdenedalai (Mongolia)

• Calendar of Events

• UIS Bureau 2017/2021

• List of Member Nations

• Annual Contributions and Bank Account

• Editor’s Disclosure