Why We Should Protect Karst Landscapes Published: 3 March 2021 Commentary Karst landscapes are important for the climate because of their carbon dioxide binding capacity. Through their complex underwater systems they provide drinking water to people all over the world. With more than eight million sq. km of karst, Asia has the largest share worldwide. But karst areas like the Kendeng mountains in Indonesia are under threat to be destroyed by the cement industry. This article highlights the long-term value of intact karst systems.