Air pollution is prevalent in most large cities, with the air containing numerous pollutants from heating, transportation, and factory production. These pollutants threaten the health of tens of millions of citizens, leading to many losing their lives. Toxic gases primarily include nitrogen dioxide and inhalable particles. Polar ozone layer hole Despite the signing of the Montreal Protocol, ozone layer holes still form above the two poles of the Earth every spring. The Arctic ozone layer has lost 20% to 30%, while the Antarctic ozone layer has lost over 51%.

Soil refers to the loose surface layer of land with fertility and the ability to support plant growth, typically around 2 meters thick. Soil not only provides mechanical support for plant growth but also supplies the necessary fertility elements like water, nutrients, air, and heat for plant development. Due to the rapid growth of the population, the swift development of industry, and the continuous disposal of solid waste on soil surfaces and harmful wastewater seeping into the soil in Suzhou, along with harmful gases and particulates in the air settling in the soil with rain, soil pollution has occurred. Any substances that hinder the normal functioning of soil, reduce crop yields and quality, and indirectly affect human health through food, vegetables, fruits, and other means are referred to as soil pollutants.

各省（cities, districts）have also established environmental protection bureaus (departments). They have set up the environmental protection hotline 12369 and the online 12369 center, where Guangzhou Bilan accepts public reports of environmental pollution incidents. The main responsibility of these departments is to implement policies on controlling pollutant emissions formulated by people's congresses at all levels, encourage the development of technologies for controlling pollutant emissions to control pollution, and improve the environment. To prevent the deterioration of the natural environment, we must protect green mountains, clear waters, blue skies, and the vast seas. This involves not privately mining and cutting trees, not discharging wastewater and pollutants randomly, not overgrazing, not overdeveloping new farmland, not overexploiting natural resources, and not disrupting the ecological balance of nature, and so on. This level is macroscopic and can only be resolved by relying on the functions and regulations of all levels.

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