This dataset contains responses to question 4.6b - 'Please provide a summary of emissions by sector and scope as defined in the Global Protocol for Community Greenhouse Gas Emissions Inventories (GPC) in the table below' - on cities emissions in the 2020 Cities Questionnaire, as disclosed by cities through the CDP-ICLEI Unified Reporting System. The dataset includes data reported by the following cities: Ayuntamiento de Madrid, Bangkok Metropolitan Administration, City of Perth, City of Sydney, and Wellington City Council.