Green building materials, also known as new building templates, have far-reaching significance in the field of environmental protection. These materials are not only harmless to the human body and the surrounding environment, but also have the characteristics of health, environmental protection and safety. The following are some main applications of green building materials in the field of environmental protection:

1. Energy saving and emission reduction: Green building materials use low energy consumption production process and pollution-free production technology in the production process, which greatly reduces energy consumption and waste emissions. At the same time, due to the environmental protection of the material itself, such as antibacterial building materials and air purification building materials, they can also effectively reduce energy consumption and emissions during use.

2. Recycling: Most green building materials can be recycled, which helps to reduce the waste of resources and environmental pollution. By recycling and reusing these materials, we can achieve efficient management and sustainable development of resources.

3. Reduce pollution: Green building materials do not use harmful substances such as formaldehyde, halides and aromatic hydrocarbons in the production process, nor do they use pigments and additives containing harmful compounds such as mercury, nickel and chromium. This greatly reduces the potential harm of building materials to the environment and human body.

4. Improve the building environment: The application of green building materials helps to improve the building environment, improve indoor air quality, reduce noise pollution and so on. For example, air purification building materials can absorb and decompose harmful substances in the air, providing people with a healthier and more comfortable living environment.

In the field of environmental protection, the application of green building materials is of great significance. With the continuous improvement of the national awareness of green environmental protection, the development and application of green building materials are more and more extensive. These materials not only help to reduce energy consumption and environmental pollution, but also help to improve building quality and safety and promote sustainable development.

However, the promotion and application of green building materials still faces some challenges, such as high cost and technical difficulty. Therefore, we need to strengthen scientific and technological innovation and policy support to promote the wide application and development of green building materials. At the same time, we also need to raise public awareness of environmental protection, so that more people understand and support the application of green building materials.