Bangladesh has become one of the most polluted countries in the world, with air quality levels that have a significant impact on the health and well-being of its citizens. Air pollution has reached alarming levels, reducing the average life expectancy of Bangladeshis by nearly 6.8 years.
In Bangladesh, 54 out of the 64 districts are experiencing poor air quality, with only 10 districts maintaining air quality within ideal levels. The effects of air pollution are widespread and devastating, particularly on human health. Polluted air particles are small enough to enter the body through the eyes, nose, and mouth, affecting vital organs such as the lungs, heart, kidneys, and liver. Long-term exposure can lead to severe diseases like lung cancer, respiratory issues, and cardiovascular diseases. But perhaps one of the most concerning effects of air pollution is its impact on reproductive health.
According to the World Health Organization (WHO), approximately 7 million people worldwide die each year due to the consequences of air pollution. The causes of air pollution in Bangladesh are diverse, including vehicular emissions, industrial smoke, burning of waste, and dust storms. These harmful pollutants contribute to the thinning of the ozone layer, which exacerbates climate change and leads to further environmental degradation. Human activities such as urbanization, industrial growth, and increased vehicular traffic are significant contributors to the worsening air quality. Additionally, natural factors like dust storms and forest fires also contribute to air pollution, though the largest share comes from human-induced sources.
Bangladesh's cities, particularly Dhaka, face the most severe air pollution problems. The increase in industrialization and motor vehicle numbers in urban areas has led to a dramatic rise in air pollutants such as carbon monoxide, nitrogen oxides, and sulfur dioxide. Industries like brick kilns, textile factories, tanneries, and cement plants are some of the major offenders. These industrial pollutants often emit dangerous chemicals like hydrogen sulfide, ammonia, and chlorine, which harm both human health and the environment. As a result, the citizens of these regions suffer from respiratory problems, headaches, and other health complications. Children are especially vulnerable to these pollutants, with high levels of lead in the air impairing their cognitive development.
Air pollution is not just an urban problem. In rural areas, the burning of biomass fuel like wood, coal, and crop residues leads to the emission of particulate matter and volatile organic compounds. While rural areas may not have the same levels of pollution from vehicular emissions and industrial activities, the use of solid fuels and open burning still contributes significantly to air pollution.
The government, along with the Department of Environment, must enforce and implement the Environmental Protection Act more effectively to combat air pollution. Furthermore, initiatives should be taken to protect green spaces and increase tree plantation efforts. Plants play a vital role in maintaining the balance of nature by absorbing carbon dioxide and releasing oxygen.
Lastly, air pollution is a serious issue that threatens the health and environment of Bangladesh. The government, industries, and the public must work together to tackle this issue. Through a combination of effective policies, technological innovations, and public awareness, Bangladesh can reduce its air pollution levels and ensure a healthier future for its citizens. The need for action is clear, and it is essential that everyone takes responsibility for protecting the environment. Only through joint efforts can we hope to combat the growing threat of air pollution.
The writer is Founder and Chairman, Jatiya Rogi Kallyan Society
