Slovakia also made significant progress towards establishing its Natura 2000 network. It adopted a wetland programme for 2003-07, later updated for 2008-14, along with an action plan for 2008-11. Three additional Ramsar sites have been designated since 2000.56 The Carpathian Wetland Initiative was approved as a Ramsar Convention regional initiative. The primeval beech forests of the Carpathians were added to Slovakia’s UNESCO World Natural Heritage sites, and the area of the Aggtelek Karst and Slovak Karst cave site was extended.57 In 2003, environment ministers of the Czech Republic, Hungary, Poland, Romania, Serbia and Montenegro, Slovakia and Ukraine signed the Framework Convention on the Protection and Sustainable Development of the Carpathians.