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How excessive heat is fueling poverty in Bangladesh

Matiur Rahman | May 01, 2024 00:00:00


Bangladesh, a nation nestled in the fertile delta of the Ganges and Brahmaputra rivers, is no stranger to heat. However, in recent years, the intensity and duration of heatwaves have reached alarming levels. This excessive heat isn't merely an inconvenience; it is morphing into a formidable threat, exacerbating poverty and jeopardising the livelihoods of millions of Bangladeshis.

Bangladesh's economy relies heavily on agriculture, with a significant portion of the workforce toiling under the unforgiving sun. Farmers, particularly small-scale cultivators, lack access to resources like greenhouses or shade nets that could mitigate the impact of heat stress. As temperatures soar, the duration of a productive workday shrinks. This translates into a decline in crop yields, impacting not only national food security but also the income of these farmers. The agricultural sector, already grappling with unpredictable monsoon patterns and rising input costs, now faces the additional burden of heat-induced crop failure. This pushes many farmers deeper into poverty, jeopardising their ability to afford necessities and invest in their land.

The scorching grip of heat isn't confined to agricultural fields only. The booming garment industry, another pillar of the Bangladeshi economy, is also feeling the heat. Factory workers, predominantly women, toil in poorly ventilated and often overcrowded environments. Excessive heat exacerbates working conditions, leading to fatigue, heat exhaustion, and heat stroke. This translates into decreased productivity, increased absenteeism, and potential safety hazards. As a result, garment factories might be forced to reduce production capacity or working hours, impacting worker income and overall industry output. The informal sector, a significant source of employment in Bangladesh, is not immune either. From construction workers labouring under the midday sun to street vendors hawking their wares, countless individuals face the brunt of the heat. Their ability to earn a daily living is directly affected by their physical capacity to withstand the scorching temperatures.

The relationship between poverty and extreme heat is a vicious cycle. Poverty restricts access to resources that could alleviate the impact of heat stress. Many low-income households lack proper ventilation, making it difficult to find respite from the oppressive heat. Additionally, the financial burden of staying cool, such as purchasing fans or relying on electricity for air conditioning, can be out of reach for many families. This lack of resources forces them to endure the heat, further impacting their health and productivity, thus hindering their ability to escape poverty.

Excessive heat poses a significant threat to public health. Heat exhaustion, heatstroke, and dehydration are just some of the immediate dangers those exposed to extreme temperatures face for prolonged periods. These heat-related illnesses strain the already overburdened healthcare system in Bangladesh. Moreover, the heat can exacerbate pre-existing health conditions, impacting the overall well-being of the population and increasing healthcare costs for families. This financial burden further deepens poverty, creating a double whammy for vulnerable communities.

The scorching temperatures are not just affecting human health and effecting food security. Heat stress disrupts agricultural cycles, reduces crop yields, and damages livestock. This impacts farmers' income and threatens the nation's ability to produce enough food to feed its growing population. The reliance on imports to fill the food gap can strain the national budget and expose the nation to volatile global food prices.

The reality of excessive heat demands immediate and long-term solutions. Building resilience in the face of climate change is no longer a choice; it's a necessity. Investing in heat-resistant crop varieties, promoting climate-smart agricultural practices, and providing farmers with access to irrigation and shade nets are crucial steps towards mitigating the impact of heat on agricultural productivity. Additionally, improving factory working conditions and promoting awareness about heat stress among workers can help safeguard their health and well-being.

Early warning systems that alert communities to heatwaves can give them time to take precautions, such as staying indoors during the hottest part of the day. Investing in climate-proof infrastructure, such as improved ventilation systems in factories and public buildings, can also provide much-needed relief from the heat. Additionally, promoting green spaces and urban forestry initiatives can help cool down cities and offer respite for residents.

The fight against rising poverty in Bangladesh cannot be won without addressing the growing threat of excessive heat. This is a complex challenge that necessitates a collective effort from various stakeholders. The government is responsible for formulating and implementing heat action plans, investing in climate-resilient infrastructure, and providing social safety nets for vulnerable communities. International cooperation and knowledge sharing are also vital. Developed nations can contribute by supporting research on heat-resistant crops and sustainable agricultural practices, as well as by providing technological solutions for cooling buildings and mitigating the urban heat island effect.

While the larger solutions require systemic changes, individual actions can also build resilience against heat. Simple steps like staying hydrated, wearing loose-fitting clothing, and limiting outdoor activity during peak heat hours can make a significant difference. Promoting awareness about heat stress and its health implications is crucial for encouraging individuals to take precautionary measures. Additionally, supporting local businesses prioritising sustainable practices and fair labour conditions can create a positive ripple effect.

The plight of Bangladesh under the scorching sun serves as a stark warning to the world. As climate change intensifies, other countries, particularly those with vulnerable populations and economies heavily reliant on agriculture, will likely face similar challenges. The story of Bangladesh is thus a call for urgent climate action. By adopting sustainable practices, reducing greenhouse gas emissions, and investing in renewable energy sources, we can collectively mitigate the impact of climate change and create a cooler future for all.

Excessive heat in Bangladesh demands immediate attention. It's a story not just about rising poverty but also about the very real and tangible consequences of climate change. By acknowledging the intricate link between heat and poverty, investing in climate-resilient solutions, and fostering collective action, we can help Bangladesh mitigate the rising heat and build a more secure and sustainable future for its people. The fight against poverty in a warming world hinges on our ability to learn from the harsh reality unfolding in Bangladesh and translate that knowledge into concrete action. Let us rise to the challenge and create a future where the sun's warmth nourishes life, not fuels despair.

Dr Matiur Rahman is a researcher and development worker.

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