Multilateral climate action negotiations are regularly challenged by the blame game - which countries are most responsible for causing climate change? This is an important question to answer, since it informs the extent to which the global community expects each country to contribute towards climate action. This analysis utilizes the latest emissions data available from the World Bank to compare territorial emissions, consumption emissions and cumulative emissions among G20 countries to identify countries that have contributed most to climate change, and are thus most accountable to take climate action.