Air pollution refers to the phenomenon that certain gases, liquids or particulate matter are mixed with the surrounding air and are harmful to biology. The sources of air pollution can be divided into natural and man-made, including fossil fuel combustion, industrial emissions, automobile exhaust, pollutants released by building materials, etc. Air pollution can cause many problems to humans, animals, plants and the environment, such as respiratory diseases, cardiovascular diseases, acid rain, global climate change, etc.

In order to solve the problem of air pollution, we can start from the following aspects:

1. Reduce emissions: reduce the use of fossil fuels and promote clean energy, such as solar and wind energy. At the same time, we will strengthen the supervision of industrial emissions, strictly implement environmental protection laws and regulations, and punish illegal enterprises.

2. Improve environmental awareness: strengthen environmental protection publicity and education, raise public awareness of air pollution, encourage people to participate in environmental protection actions, and jointly care for the earth's homeland.

3. Develop green transportation: promote low-carbon travel methods such as electric vehicles and public transportation to reduce automobile exhaust emissions.

4. Optimising architectural design: adopt green building materials to improve the energy efficiency of buildings and reduce the environmental impact of the construction industry.

5. Strengthen air quality monitoring: establish a perfect air quality monitoring network, grasp the air quality situation in real time, and provide decision-making basis for governments and enterprises.

6. Implement regional collaborative governance: strengthen interregional cooperation, jointly deal with air pollution problems, and achieve overall improvement of regional air quality.

7. Scientific and technological innovation: increase investment in scientific research and develop new technologies and products, such as air purifiers, to reduce the impact of air pollution on human beings and the environment.

8. Green vegetation: vigourously plant trees, increase urban green area, improve the quality of ecological environment, and reduce air pollution.

Through the comprehensive implementation of the above measures, we are expected to gradually improve air quality and create a better future for human and the earth's ecological environment..