Xinhua News Agency, May 25, Liu Dechun, director of the Environmental Resources Department of the National Development and Reform Commission, led a team to Yinchuan City, Shizuishan City, Ningxia Hui Autonomous region and Yulin City, Yan'an City, Tongchuan City of Shaanxi Province to promote green and low-carbon development. Learn more about the results achieved in promoting green development in the two provinces and regions. Analyze the situation and problems we are facing, and listen to the introduction, opinions and suggestions of local development and reform departments and relevant enterprises. The research team went to Ningdong Energy and Chemical Industry Base and Yulin Modern Coal Chemical Industry demonstration Zone to learn in detail the current situation of the development of green industries such as clean and efficient utilization of coal, modern coal chemical industry, manufacture and application of renewable energy equipment, and development and utilization of hydrogen energy. on-the-spot investigation of ecological protection and restoration on the Loess Plateau, comprehensive renovation of Helan Mountain, use and recycling of agricultural mulch. The research team also conducted an in-depth investigation on the construction and operation of environmental infrastructure such as municipal sewage and garbage treatment in cities and towns in the Yellow River Basin, and learned about the integrated municipal solid waste treatment models in relevant prefectures and cities, such as recycling of renewable resources and harmless treatment of domestic waste, centralized disposal of medical waste, and resource utilization of kitchen waste.