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Bangladesh is confronting a silent yet deadly crisis. Toxic chemicals ranging from imported industrial substances to widely used agricultural pesticides are damaging human health, contaminating the environment, and degrading ecosystems at an alarming pace. Although laws exist to regulate hazardous substances, weak enforcement, poor inspection systems, and limited public awareness have allowed these toxins to spread into soil, rivers, food, and air. Without urgent reform, the human, environmental, and economic consequences will continue to grow.
Toxic chemicals include substances that cause both immediate and long-term harm. In Bangladesh, the extensive use of pesticides, industrial solvents, dyes, plastic additives, heavy metals, persistent organic pollutants, and untreated chemical waste allows dangerous compounds to travel through air and water and accumulate in crops, livestock, fish, and human bodies. Organophosphate and carbamate pesticides, industrial chemicals such as formaldehyde, benzene, chromium, and cadmium, heavy metals from electronic waste including lead and mercury, and plastic additives such as phthalates and bisphenol A are present in domestic production and everyday consumer goods. Long-term exposure is associated with cancer, hormonal disruption, reproductive disorders, neurological damage, organ failure, and developmental disabilities.
Children are especially vulnerable because their bodies absorb toxic substances more easily while their immune systems are still developing. Women, particularly those living near industrial areas or working in the leather, textile, and agricultural sectors, face serious reproductive and chronic health risks. Men employed in farming, informal recycling, and industrial labour also experience increased rates of chemical poisoning and long-term disease.
Although precise national data on deaths caused specifically by toxic chemicals is limited, available estimates reveal the scale of the crisis. The World Health Organization reports that toxic chemical exposure contributes to around two million deaths globally each year. In Bangladesh, the World Bank indicates that environmental pollution, including chemical contamination, is linked to more than 272,000 premature deaths annually. Scientific research further shows that heavy metal contamination, such as lead and pesticide residues, poses measurable health risks, especially for children and vulnerable communities.
Major rivers, including the Buriganga, Turag, and Karnaphuli, contain high concentrations of industrial chemicals that threaten fish and aquatic life and reduce biodiversity. Birds and wildlife that consume contaminated water and prey suffer reproductive disorders, weakened immunity, and population decline. Polluted soil gradually loses fertility, reducing crop yields and threatening food security, while toxic residues entering the food chain endanger entire communities.
Bangladesh has enacted several laws to regulate toxic substances. The Environment Conservation Act 1995 and the Environment Conservation Rules 1997 form the foundation of environmental regulation. The Hazardous Waste and Ship Breaking Waste Management Rules 2011 and the Pesticides Ordinance 1971 govern chemical handling, disposal, and pesticide use. Bangladesh is also a signatory to the Stockholm Convention on Persistent Organic Pollutants, committing to eliminate the most dangerous chemicals.
Despite these legal frameworks, enforcement remains weak. Limited technical capacity, outdated laboratories, and inadequate monitoring systems make it difficult to verify the safety of imported chemicals. Many hazardous substances are mislabelled or grouped under broad categories that conceal toxic components. Small vendors often sell unregistered pesticides with minimal supervision. Industrial waste continues to flow into rivers without proper treatment despite legal obligations. Public health surveillance rarely connects chronic illness to chemical exposure, hiding the true human cost.
The approval of chemical imports involves several agencies, including the Department of Environment, the Ministry of Commerce, and the Bangladesh Standards and Testing Institution. Importers submit safety data sheets and compliance certificates to obtain clearance. In practice, however, thorough verification is rare. Customs officials often lack the equipment and expertise needed to detect harmful components accurately, and product information is sometimes incomplete or misleading. As a result, highly toxic substances enter the country with limited scrutiny.
Existing laws are no longer adequate to address the scale and complexity of modern chemical hazards and urgently require reform. Regulations must reflect current industrial practices, the rapid growth of electronic waste, and an increasing dependence on synthetic pesticides and industrial chemicals. Enforcement systems need stronger laboratories, advanced testing technologies, strict penalties for violations, and transparent public data on chemical imports and usage.
Bangladesh is among the countries most vulnerable to toxic chemical exposure due to industrial pollution, heavy pesticide use, poor waste management, and weak monitoring systems. Similar challenges are seen in countries such as India, Pakistan, Nigeria, Ghana, China, Indonesia, Vietnam, Ethiopia, and Uganda, where rapid industrial growth and weak regulatory systems have increased chemical risks.
International experience shows that reform is achievable. Sweden requires companies to prove chemical safety before products enter the market and has phased out numerous hazardous substances. Japan successfully reduced mercury and lead exposure through targeted bans, strict monitoring, and strong industrial oversight, leading to major public health improvements. Costa Rica lowered pesticide use by promoting biological pest control, farmer education, and community awareness, producing measurable environmental and health benefits. Canada restricted bisphenol A in food packaging and consumer products while running nationwide awareness campaigns, particularly for vulnerable populations.
Bangladesh can adopt similar measures by promoting integrated pest management in agriculture, encouraging green chemistry in industry, and developing safe recycling systems for electronic and plastic waste. Public awareness campaigns are essential so that farmers, factory workers, and consumers understand the dangers of toxic chemicals and the availability of safer alternatives. Stronger digital monitoring of imports, the creation of a national chemical inventory, real-time environmental surveillance, and community participation in monitoring industrial discharge are urgently needed to protect public health and ecosystems.
Toxic chemicals are an invisible but deadly threat. Children, women, and frontline workers suffer the most, while rivers, soil, and ecosystems continue to deteriorate. Laws alone are not enough. Bangladesh must modernise its regulatory framework, strengthen enforcement, expand public awareness, and adopt safer alternatives in agriculture and industry. Protecting people and nature from chemical hazards is not optional; it is essential for national health, environmental security, and sustainable development.
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The writer is Editor and CEO, News Network