The U.S. Securities and Exchange Commission is forging ahead with rule changes for mandatory climate-related disclosures that are more stringent and potentially costly than some corporate legal departments had hoped.

Under a proposed rule the SEC published Monday, all publicly traded companies would be required to disclose data about climate-related risks that have a “material impact on their business,” including greenhouse gas emissions and energy consumption, which the SEC classifies as Scope 1 and Scope 2 emissions, respectively.