The Foreign Cooperation and Exchange Center of the Ministry of Ecology and Environment published an article "Application and Thinking of Blockchain Technology in the Field of Environmental Climate". The article mentioned that blockchain technology as an emerging technology is conducive to technological innovation and social progress in different fields. Its complete openness, non-tampering, non-forgery, and permanent inspection can help to efficiently solve environmental climate issues, such as promoting climate action, improving the transparency of the supply chain, promoting new energy investment and use, promoting waste recycling, Supervise the implementation of environmental responsibilities, establish new financing models that incorporate environmental effects, and encourage production and lifestyles that are environmentally sustainable. This will improve the efficiency of environmental management and promote multi-stakeholder participation. But at the same time, we also need to recognize the technical and policy risks of the blockchain. At the current stage, it is urgent to strengthen the basic research of the blockchain, establish a reasonable blockchain ecosystem, and gradually provide innovation and effectiveness in responding to environmental and climate challenges. Program.