STRUVE GEODETIC ARC The Struve Geodetic Arc was the first scientific survey on a large scale in Europe. It was carried out under the leadership of Friedrich Georg Wilhelm Struve in the years 1816 to 1852. The Struve Geodetic Arc is unique in its extent and quality, and an important part of the history of geodetic science. The World Heritage Site is comprised of 40 points of measurement between the Arctic Ocean and the outlet of River Danube. The points of measurement are placed in all the 10 countries the arc passes through; Norway, Sweden, Finland, Russia, Estonia, Latvia, Lithuania, Belarus, Moldova and Ukraine. STATE OF ENVIRONMENT State of the Environment Norway aims to provide you with the latest information about the state and development of the environment. UNESCO´s WORLD HERITAGE LIST The World Heritage List includes 812 properties forming part of the cultural and natural heritage which the World Heritage Committee considers as having outstanding universal value. These include 628 cultural, 160 natural and 24 mixed properties in 137 States Parties.