City Inventory Reporting and Information System

Developer or Source: C40 Cities

The City Inventory Reporting and Information System (CIRIS) is an accessible, easy-to-use and flexible Excel-based tool for managing and reporting city greenhouse gas inventory data. Based on the Global Protocol for Community-scale Greenhouse Gas Emission Inventories (GPC) standard, the tool facilitates transparent calculation and reporting of emissions for all sectors. The tool should be used in conjunction with the GPC, available at ghg The tool includes five calculators to facilitate calculation of emissions from typically challenging sources: Fugitive losses from gas distribution Solid waste landfill Biological treatment of waste Waste incineration Wastewater

Region: Global
Sectors and Topics: Agriculture, Energy Efficiency, Forestry and Land Use, Infrastructure and Industry, Oceans and Coasts, Transport, Urban, Waste Management
Scale: Sub-national
Expertise Level: Specialist
Resource Type: Analysis Tools
Cost: No
Guidance: Step-by-step user guide available to download on the website.
Inputs Needed: City-level data
Outputs Provided: Emissions reporting for all sectors
Languages: English
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