List of Endangered Caves and Karst 

Spain

Status: Ongoing

Type: Limestone karst with important water resources.

Description: A quarry operated by the Heidelberg Materials Group cut a section (approximately 65 m) of epiphreatic karst conduits, part of a preferred karst circulation route less than a kilometer upstream from the main discharge point of the Badaia karst. Quarrying activities are expected to last for at least 30 more years.

Further support: supporting letter

Germany

Status: Stopped by the court for now

Type: Gypsum karst in protected areas, the only gypsum karst area with a beech forest in the world.

Description: The gypsum company Knauf wanted to drill exploratory boreholes to explore the gypsum deposits in the middle of protected areas, like the "Südharz Karst Landscape Biosphere Reserve" – so far, it is the only biosphere reserve in the world in a sulfate karst.

UIS supporting letter 

Further information

Further support: currently not needed

Australia

Status: Ongoing

Type: Nullarbor limestone, the largest arid karst area in the world.

Description:  Western Green Energy Hub: Construction of 3,000 wind turbines, 25 million solar panels, 15,000 km2, and infrastructure. The electricity produced via wind and solar will be used to produce hydrogen/ammonia to be sold and shipped overseas.

UIS supporting letter 

ACKMA position statement on the Nullarbor Plain karst

Further information: https://savethenullarbor.org/

Further support: 

Mexico

Status: finalized

Type: Caves and karst

Location: Mexico.

Description: Railway construction, a 1,554 km-long (966 mi) intercity railway in Mexico, traverses the Yucatán Peninsula for touristic purposes, "Maya Train".

Further information:

Further support: