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In order to avoid polluting the air， there are several measures that individuals and organizations can take. Firstly， reducing the usage of automobiles is a crucial step to prevent air pollution. Walking， cycling or using public transport can greatly reduce transportation-related emissions. Secondly， avoiding the use of fossil fuels such as coal， oil or gas is necessary to reduce emissions from heating and power generation. Alternative sources such as solar， wind and hydropower can be used instead. Thirdly， reducing the consumption of resources is important for preventing pollution caused by manufacturing processes. Recycling and reusing materials not only saves energy， but also reduces pollution from disposal. Fourthly， using environmentally friendly products and practices can help to prevent pollution. This includes using non-toxic cleaning products， natural pesticides， and avoiding products that contain volatile organic compounds. Furthermore， planting trees and vegetation can help to absorb carbon dioxide from the atmosphere.

In addition， governments can also play a significant role in reducing pollution by implementing policies and regulations to control emissions. For example， enforcing emissions standards for vehicles， setting limits on industrial emissions， and promoting the use of renewable energy sources. Governments can also invest in public transport systems and provide incentives for individuals and organizations to reduce emissions.

Overall， there are many ways to prevent air pollution， and it requires a collective effort from individuals， organizations， and governments. By implementing sustainable practices and investing in cleaner technologies， we can work towards a cleaner and healthier environment for ourselves and future generations.