构建和谐社会,一个重要标志是统筹人与自然的和谐发展。实现人与自然和谐发展,一条基本要求是确保生态环境的安全。从这一意义上说,建设和谐社会必然把生态安全作为重要的前提条件之一。这是因为:第一,生态安全是环境改善的基本标志。环境问题同人口、资源问题一起构成当今社会 An important symbol of building a harmonious society is to coordinate the harmonious development of man and nature. To achieve the harmonious development of man and nature, a basic requirement is to ensure the safety of the ecological environment. In this sense, building a harmonious society must take ecological security as one of the important preconditions. This is because: First, ecological security is the basic symbol of environmental improvement. Environmental problems together with population and resources constitute the present-day society