The climate change creates a most concerned social problem all over the world. It can accelerate both the atmospheric circulation and the hydrological cycle, and will lead to a series of water security problems. In this paper, the impact of the climate change on the water security is reviewed from five aspects, including the water environment, the water ecology, the water engineering and the water supply security, and the coping strategies are suggested.

climate change  /  water security  /  water environment  /  water ecology