Your Support 

To support the International Day of Caves and Karst please get in touch with your national UNESCO delegation or government authorities and kindly request their support during the voting process in the UNESCO in September and November.

Explanatory note
How to contact UNESCO delegations
Support letter example

Global Support 

The International Union of Speleology (UIS) received letters of support for the International Day of Caves and Karst from:

15 international organizations

8 regional organizations

1 endorsment from a sovereign indigenous government:
Canada, BC, Haida Gwaii, Haida Nation

88 national organizations and institutions

42 UIS member countries

9 Individuals and conferences