Home Our Union Expert Commissions Commissions Group IUCN WCPA Geoheritage Specialist Group Resources Share: Resources Overview More information Resources Guidelines for cave and karst protection: Second edition International Union of Speleology Karst Research Institute Karst Waters Institute NEWSLETTERS WCPA Caves and Karst Working Group Newsletter September 2021 WCPA Caves and Karst Working Group Newsletter January 2021 WCPA Caves and Karst Working Group Newsletter October 2019 Stay informed Sign up for an IUCN newsletter Select a NewsletterApplicationDevelopmentEnhancement Subscribe