Environmental issues in North Macedonia include air and water pollution, deforestation, threats to endemic species and climate change. There is substantial degree of pollution in the air, water and land of North Macedonia. According to 2019 estimates, the country is considered to have one of the highest degrees of pollution in Europe. There is significant water pollution in the country's water resources, primarily the biggest rivers Vardar, Bregalnica and Crna River and the Ohrid Lake. This is mostly due to unrestrained wastewater disposal from industry, mining, households and agriculture.