Other factors influencing the country’s climate change vulnerability include socio-economic drivers such as building in flood prone areas, high population density in prone areas, increased value of assets in flood-prone areas, and poor management of soil erosion. 2.3 Environment and natural resources. Rwanda’s socio-economic development is dependent on the environment and natural resources such as land, water, air, minerals and biodiversity. Total arable land is estimated at 14,000 km2 or 52% of the country’s total surface area (26,338 km2). However, in 2014 the total cultivated area increased to 1,747,559 hectares or 66% of the national territory.