The Himalayan region, characterized by its unique ecological diversity and fragility, faces escalating challenges related to waste management against the backdrop of global concerns about climate change. Rapid urbanization, population growth, changing consumption patterns, and thriving tourism have intensified the generation of municipal solid waste, contributing to the release of GHGs. This study aimed to quantify GHG emissions associated with waste management practices in the region. LCA was employed to evaluate the environmental impacts of waste management practices, identifying key areas for improvement and sustainable solutions. Contribution of waste management practices of composting, material recovery facilities, waste-to-energy, RDF facilities, landfills, incineration, and waste transportation were assessed in the state of Himachal Pradesh. The municipal solid waste management infrastructures in the state contributed to 3,98,098 tCO