The major climatic types varying according to latitude. Eastern Asia is quite mountainous overall with plate tectonics causing the formation of many islands. Fertile soils and valuable minerals are important. International cooperation is needed to manage the Mekong River. Several boundary disputes increase tensions in the region.
Plate movements cause earthquakes and volcanic activity.
Heavy rains frequently lead to flooding. Deforestation, desertification, disease, and pollution are major concerns made worse by the large population. Economic successes make Japan one of the richest countries in the world. With help from the United States, South Korea and Taiwan have enjoyed rapid economic growth. Each of Japan s four major islands differ in natural environment, urbanization, and manufacturing.