环境监测政策再上新高度，七部门印发《行动方案》

Core Viewpoints - The article discusses the joint issuance of action plans for the construction of beautiful China pilot areas in three major regions: Beijing-Tianjin-Hebei, Guangdong-Hong Kong-Macao Greater Bay Area, and Yangtze River Delta, emphasizing ecological improvement and sustainable development strategies [1][2][3]. Group 1: Beijing-Tianjin-Hebei Action Plan - The plan aims to improve ecological environment quality, optimize three major structures, and explore innovative regional collaborative governance [2][6]. - Key tasks include green low-carbon transformation, environmental quality improvement, ecological protection and restoration, and technological innovation [2][8]. - By 2027, the average concentration of PM2.5 is targeted to be reduced to 33 micrograms per cubic meter, with significant improvements in water quality and a decrease in major pollutant emissions [7][11]. Group 2: Guangdong-Hong Kong-Macao Greater Bay Area Action Plan - The plan focuses on leveraging the "one country, two systems" advantage to enhance ecological quality and promote green finance innovation [3][21]. - It sets goals for PM2.5 concentration to drop below 20 micrograms per cubic meter by 2027, with a peak in carbon dioxide emissions and continuous improvement in water quality [22][21]. - Key tasks include building a modern ecological governance system and fostering collaborative innovation among the three regions [22][23]. Group 3: Yangtze River Delta Action Plan - The plan emphasizes high-quality development and ecological protection, aiming to create a model area for high-level protection and sustainable development [3][36]. - By 2027, the average PM2.5 concentration is expected to decrease to 30 micrograms per cubic meter, with improvements in water quality and a reduction in major pollutant emissions [37][41]. - Key initiatives include developing a collaborative green industry system and enhancing the regional energy structure [39][40].