经济发展带来了巨大的GDP产出,但同时也带了一系列环境问题,自20世纪以来,环境污染的治理与投资开始成为经济学家和环境保护学家共同关注的问题,可持续发展观、生态文明等理念相继被提出。环境资源作为潜在的经济成本,很难依靠市场做出有效的调控,因而需要依靠政府的环保投入加以监管控制。本文从环保投资的角度出发,分析环保政策的必要性,探讨环保投资对废气排放量和空气质量的影响。 Economic development has brought huge GDP output, but it also brings with it a series of environmental problems. Since the 20th century, the governance and investment in environmental pollution have become common concerns of economists and environmentalists, and sustainable development Concept, ecological civilization and other concepts have been put forward. Environmental resources as potential economic costs, it is difficult to rely on the market to make effective regulation, and therefore need to rely on the government’s environmental investment to be supervised and controlled. This article from the perspective of environmental investment, analysis of the necessity of environmental protection policies to explore the impact of environmental investment on emissions and air quality.