The global issue of air pollution has become increasingly severe, posing a significant threat to human health, climate change, and the balance of natural ecosystems. The improvement in the quality of human life is closely tied to the development of industry and technology. However, the serious air pollution resulting from the vigorous global economic development warrants deep contemplation from all of humanity.
Air pollution has a profound impact on the Earth’s ozone layer, a crucial component that plays a vital role in reducing radiation from ultraviolet rays for both humans and ecosystems. Nevertheless, certain chemical substances, particularly chlorofluorocarbons, present in polluted air contribute to ozone layer depletion. As the ozone layer diminishes, the increase in surface-level ultraviolet radiation poses serious threats to plants, animals, and may lead to issues such as skin cancer in humans.
Moreover, air pollution is a major contributor to global warming, primarily due to the emission of greenhouse gases like carbon dioxide (CO₂), methane (CH₄), and nitrous oxide (N₂O) resulting from combustion of fossil fuels and other industrial activities. These gases contribute to climate change, leading to the greenhouse effect. Climate change, in turn, can trigger extreme weather events, rising sea levels, and changes in ecosystems.
Industrial production and transportation activities also generate a significant amount of air pollution, containing toxic substances such as sulfur dioxide, nitrogen oxides, benzene, carbon monoxide, nitrogen dioxide, and volatile organic compounds (VOCs), as well as fine particulate matter. Sulfur dioxide and nitrogen oxides contribute to the formation of acid rain, adversely affecting water bodies and soil, causing harm to plants, aquatic organisms, and soil microorganisms. Toxic chemicals and fine particles can pose serious threats to human respiratory systems and overall health.
The adverse effects and consequences of air pollution are not limited to specific regions but are prevalent globally. Therefore, it is crucial for humanity to remain vigilant and raise awareness, promoting close international collaboration through cooperation and agreements to address the global issue of air pollution.
With the continuous advancement of technology, the discovery of catalysts has played a significant role in mitigating air pollution. Catalysts such as hopcalite catalyst and molecular sieve have proven to be crucial in the treatment of industrial waste gases, vehicle exhaust systems, volatile organic compound (VOC) treatment, carbon monoxide removal, and more. These catalysts find applications across various fields, contributing to environmental protection and the improvement of air quality.
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