The climate of China varies greatly.The northern zone has summer daytime temperatures of more than 30 degrees Celsius and winters of Arctic severity.The central zone has a temperate continental climate with very hot summers and cold winters.The southern zone has a subtropical climate with very hot summers and mild winters.
Due to a prolonged drought and poor agricultural practices,dust storms have become usual in the spring in China.Dust has blown to southern Mainland China and Taiwan,and has reached the West Coast of the United States.Water,erosion,and pollution control have become important issues in China's relations with other countries.
