In recent years, the total amount of river runoff and water resources in the South has increased, with an increase of nearly 5%, while the amount of water resources in the North has decreased significantly, especially in the Yellow River, Huaihe River, Haihe River and Liaohe River. The total amount of resources has decreased by 12%. According to the current normal needs, if the groundwater is not over exploited, the country will be short of nearly 40 billion cubic meters in normal years.
passage intended to emphasize?
In recent years, the national water shortage is still very serious.