Steps to establish CBG plant at Njeliyanparamba making headway
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Context
The century-old legacy waste mound at Njeliyanparamba in Kozhikode is being scientifically cleared through biomining under the . Following the reclamation of the site, will establish a Compressed Biogas (CBG) plant on the recovered land. This initiative represents a significant step towards sustainable urban waste management and circular economy principles.
UPSC Perspectives
Environmental
Biomining involves the scientific extraction, treatment, and segregation of decayed organic matter, plastics, and soil from old landfills. This local initiative aligns with the national , which explicitly mandates the bio-remediation of all legacy dumpsites across India to reclaim urban land and create 'Garbage-Free Cities'. Unscientific landfills like Njeliyanparamba have been severe environmental hazards for decades, generating greenhouse gases like methane and releasing toxic leachate that contaminates groundwater. Remediating these sites prevents further ecological degradation and recovers highly valuable urban real estate for productive green infrastructure.
Economic
Setting up a CBG plant transforms a municipal liability into a strategic energy asset. Compressed Biogas is purified biogas with over 90% methane content, making it commercially equivalent to Compressed Natural Gas (CNG). This project is part of a larger national push under the (Sustainable Alternative Towards Affordable Transportation) initiative launched in 2018. Under this scheme, oil marketing companies procure CBG produced from municipal solid waste, agricultural residue, and cattle dung to sell as automotive fuel. Converting municipal waste to CBG reduces India's dependence on imported natural gas, lowers carbon emissions in the transportation sector, and directly contributes to the national goal of achieving net-zero emissions by 2070.
Governance
The management of municipal solid waste falls under the constitutional purview of Urban Local Bodies (ULBs) under the 74th Amendment, operationalized by the . Historically, many ULBs struggle with scientific waste processing due to a severe lack of technical and financial capacity. The , supported by World Bank funding, is strategically designed to bridge this gap by strengthening the institutional and service delivery systems of ULBs. The collaboration between the municipal corporation, the state government, and a central Public Sector Undertaking like exemplifies effective multi-level governance and inter-agency synergy in addressing complex urban infrastructure deficits.