The idea of declaring the Siachen region a Peace Park was presented by environmentalists and peace activists in part to preserve the ecosystem of the region badly affected by the military presence. In September 2003, the governments of India and Pakistan were urged by the participants of 5th World Parks Congress held at Durban, to establish a peace park in the Siachen region to restore the natural biological system and protect species whose lives are at risk. Italian ecologist terming the ecological life at serious risk, proposed setting up of Siachen Peace Park at the conference. After a proposal of a transboundary Peace Park was floated, the International Mountaineering and Climbing Federation (UIAA) and the International Union for Conservation of Nature (IUCN) organised a conference at Geneva and invited Indian and Pakistani mountaineers (Mandip Singh Soin, Harish Kapadia, Nazir Sabir and Sher Khan). The region was nominated for inclusion in the United Nations' World Heritage List as a part of the Karakoram range, but was deferred by the World Heritage Committee. The area to the east and west of the Siachen region have already been declared national parks: the Karakoram Wildlife Sanctuary in India and the Central Karakoram National Park in Pakistan.