What are the primary human activities that contribute to air pollution and what pollutants do they release?

Industrial activities, such as manufacturing and mining, release large quantities of pollutants like sulfur dioxide, nitrogen oxides, particulate matter, and volatile organic compounds into the atmosphere. The burning of fossil fuels in power plants for electricity generation is a major source of sulfur dioxide, nitrogen oxides, and carbon dioxide, which contribute to acid rain and the greenhouse effect. Transportation, primarily vehicles burning gasoline and diesel, emits carbon monoxide, nitrogen oxides, hydrocarbons, and fine particulate matter, especially in urban areas. Agricultural practices, including the use of fertilizers and pesticides, release ammonia and other harmful gases, while burning crop residue also adds to air pollution. Lastly, improper waste management, such as open burning of waste and methane emissions from landfills, further degrades air quality.