The fifth press conference was held at the News Center of the 20th National Congress of the Communist Party of China on the morning of the 21st. Zhai Qing, a member of the Party Leadership Group and Vice Minister of the Ministry of Ecology and Environment, introduced relevant information to Chinese and foreign journalists around the theme of "building a beautiful China where people and nature live in harmony" and answered questions from journalists. He said that great strides have been made in building a beautiful China. Pollution prevention and control is advancing in depth. In 2021, the average concentration of PM2.5 in cities at prefecture level and above will decrease by 34.8% compared with that in 2015, and the ratio of days with good air quality will reach 87.5%; The proportion of sections with good surface water quality reached 84.9%; The risk of soil pollution has been effectively controlled to achieve the goal of "zero import" of solid waste. The efforts to protect and repair the ecosystem have continued to increase. The ecological protection red line system has been implemented, and a natural reserve system with national parks as the main body has been established and improved. Up to now, the area of various types of nature reserves at all levels accounts for about 18% of the land area of the country. Major biodiversity conservation projects have been implemented, and the number of more than 300 rare and endangered wild animals and plants in the field has been restored and increased. Solid progress has been made in green, circular and low-carbon development. We will unswervingly promote economic restructuring, incorporate carbon peaking and carbon neutralization into the overall layout of ecological civilization construction and the overall economic and social development, and promote the overall green transformation of economic and social development through pollution reduction and carbon reduction. In 2021, the national carbon dioxide emissions per unit of GDP will decrease by 34.4% compared with 2012. Since the pilot project started at the end of 2015, the inspectors have completed two rounds of full coverage of 31 provinces (districts and cities) and Xinjiang Production and Construction Corps, and have carried out inspections on some departments and central enterprises, achieving good political, economic, social and environmental effects. The political responsibility for the construction of ecological civilization has been strengthened, and the "Party and government share the same responsibility" and "one post and two responsibilities" for ecological civilization construction and ecological environment protection have been effectively implemented; A large number of outstanding ecological and environmental problems have been solved; It has promoted high-quality economic development. Zhai Qing introduced that the overall completion rate of 3294 tasks specified in the first round of supervision and rectification plan was nearly 96%, and the 1227 tasks specified in the first three rounds of the second round of rectification plan were nearly 60%. Two rounds of supervision have accepted 287000 reports of environmental problems from the masses,