Diagnosing anthropogenic carbon emissions: A 'carbon dioxide checkup' of Earth's health

Since 2020, many countries have pledged their plans for "carbon peak and carbon neutrality". Managing anthropogenic emissions, especially from major industries, is crucial for addressing global warming and promoting sustainable growth. However, existing emission records lack transparency and accuracy due to limited knowledge of CO2 emissions from cities and key sectors, leading to uncertainty in the global carbon budget and hindering carbon asset management across industries.