After months of anticipation, the Securities and Exchange Commission (SEC) issued its proposed climate-related disclosure rule Monday, a sweeping potential mandate that would force all public companies to quantify, measure, and disclose their effect on the environment.

Aaron Nicodemus is the Editor-in-Chief of Compliance Week. He previously worked as a reporter for Bloomberg Law and as business editor at the Telegram & Gazette in Worcester, Mass. Email: aaron.nicodemus@complianceweek.com LinkedIn:...