Cities in Bangladesh including the capital are in immense risk of methane due to poor waste management. The sewage gas is 21 times hazardous than the carbon dioxide, revealed a research. The research findings of 'Organic Solid Waste Management and the Urban Poor in Dhaka City' were revealed at the concluding session yesterday at BIDS hosted program. Mitali Parveen an Anwara Begum presented the keynotes.
The findings said: "With the enormous population growth of Dhaka, the amount of organic waste is ringing the bell. As the metropolis does not have sufficient waste disposal, the risk brews especially for the urban poor." The program was held at a city hotel with BRAC University Prof Dr ATM Nurul Alam in the chair. Emphasizing the issue, Prof Alam urged the non-governmental entrepreneurs to step in with a sustainable solution.
The research states: "Dhaka had a population density of 15,333 per square kilometer in 1991. The number increased to 18,055 in 2003 and 23,029 in 2011-prompting several issues like joblessness, power crisis, pollution, and poor waste management." Per person organic waste disposal per day is 0.56, saying so the report says: "Nearly 3,800 tons wastes are being produced in Dhaka per day and 70-80 percent of it is organic trash. This huge disposal is releasing methane to the atmosphere."
The report suggested mini-biogas plant on the rooftop to meet the demand for cooking. It also recommended using the residue for gardening. "It could be implemented on a large scale with government's initiative checking the methane emission and producing organic fertilizer for agriculture," it concluded.
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