Core Viewpoint - Zhangjiakou is focusing on ecological restoration and sustainable development, aiming to enhance water conservation, increase green coverage, and promote industrial transformation during the 14th Five-Year Plan period [2][3]. Group 1: Water Conservation - Zhangjiakou has implemented measures to enhance water security, focusing on the Yongding River and Chaobai River basins, with strategies including "storage, protection, conservation, and increase" [3]. - The city has constructed 991,500 acres of high-standard farmland and implemented efficient irrigation on 335,800 acres, leading to a reduction of irrigated land by 521,400 acres and a decrease in groundwater over-extraction by 50 million cubic meters [3][4]. - Satellite monitoring shows that the water area of Chahan'er has increased from 12.2 square kilometers in 2021 to 74.8 square kilometers by 2025, with a 100% compliance rate for drinking water source quality [4]. Group 2: Green Coverage - Zhangjiakou has initiated four major actions: "blue sky, clear water, increased greenery, and clean soil," significantly enhancing the city's ecological environment [5]. - The city has planted 6.035 million acres of trees and restored 2.11 million acres of grassland since 2021, with the Konbanor National Wetland Park becoming the largest breeding ground for the rare black stork [5][6]. - The average PM2.5 concentration in Zhangjiakou has ranked first in the Beijing-Tianjin-Hebei region for four consecutive years, indicating successful air quality management [5]. Group 3: Industrial Transformation - Zhangxuan Technology has developed hydrogen metallurgy technology, improving resource recycling efficiency in the steel industry [6]. - The ecological foundation of Chahan'er Wetland is being leveraged to create eco-tourism attractions, receiving over 500,000 visitors annually and generating tourism revenue exceeding 50 million yuan [6]. - The transformation of abandoned mines into eco-friendly sites has led to new business opportunities in camping, vacationing, and ecological education, contributing to the region's economic growth [6].

Core Viewpoint - Zhangjiakou is focusing on ecological restoration and sustainable development, aiming to enhance water conservation, increase green coverage, and promote industrial transformation during the 14th Five-Year Plan period [2][3][5][7]. Water Conservation - Zhangjiakou has implemented a four-pronged approach ("storage, protection, conservation, and increase") to strengthen water source security, particularly in the Yongding River and Chaobai River basins [3]. - The city has constructed 991,500 acres of high-standard farmland and implemented efficient water-saving irrigation on 335,800 acres, leading to a reduction of irrigated land by 521,400 acres [3]. - By 2025, an additional 80,000 acres will be retired from irrigation, and groundwater over-extraction will be reduced by 50 million cubic meters [3]. - Ecological restoration efforts have resulted in a significant increase in the water area of Chahan Noer from 12.2 square kilometers in 2021 to 74.8 square kilometers by 2025 [3]. Green Coverage - Zhangjiakou has initiated four major actions focused on "blue sky, clear water, increased greenery, and clean soil," leading to substantial ecological improvements [5]. - The city has planted 6.035 million acres of trees and restored 2.11 million acres of grassland since 2021, significantly enhancing the ecological landscape [5]. - The PM2.5 average concentration in Zhangjiakou has ranked first in the Beijing-Tianjin-Hebei region for four consecutive years, indicating improved air quality [5]. Industrial Transformation - Zhangxuan Technology is utilizing "hydrogen-based reduction" and "precise melting separation" technologies to enhance resource recycling efficiency in the steel industry [7]. - The ecological foundation of Chahan Noer Wetland is being leveraged to develop eco-tourism, attracting over 500,000 visitors annually and generating tourism revenue exceeding 50 million yuan [7]. - The transformation of abandoned mines into eco-friendly tourist destinations is creating new business opportunities, including camping and ecological education [7].