Amid escalating global environmental challenges, the transparency in environmental accounting is now central to upholding corporate social responsibility and fostering sustainable growth. In China, where the steel industry significantly contributes to carbon emissions, the transparency of its environmental accounting is pivotal to meeting the nation's "dual carbon" objectives. This study analyzed environmental accounting data from 28 publicly listed steel companies, drawing from their annual corporate and social responsibility reports between 2018 and 2022. The findings reveal advancements in the steel industry's environmental accounting practices; however, notable inconsistencies persist in disclosure content, format, frequency, and accuracy. To rectify these inconsistencies, this paper suggests targeted measures to standardize and improve the environmental accounting disclosures of China's listed steel companies, supporting the industry's and nation's progression towards sustainability.