中文摘要：

碳会计及信息披露作为一项制度机制，成为应对气候风险和建设低碳经济的基础性步骤。由此，不同于以往研究更多关注会计信息透明度，本文以CDP对世界500强公司的调查数据为样本，实证分析碳信息披露的透明度及管理绩效，研究发现，企业披露碳信息的主动性和透明度日益提高，降低了信息环境的不确定性，有助于为投资者提供决策有用性信息。

英文摘要：

Carbon accounting and information disclosure, as an institutional mechanism, become a fundamental measure to response to climate risk and low carbon economy construction. Therefore the paper, taking CDP＇s survey of global 500 as a sample, empirically studies the transparency and performance of carbon disclosure. The results suggest that firms＇ initiative to disclosure carbon information and its transparency are promoting continuously. More transparent carbon disclosure reduces the uncertainty of information environment and provides the useful information for investor＇s decision-making.