Business leaders around the world are currently focused on the discussions and negotiations taking place at the 26th Conference of the Parties (COP26) in Glasgow from October 31 to November 12. The outcome of these international negotiations will have long-lasting implications for business and its critical role in global society. In the lead-up to COP26, the Business & Environment Initiative asked HBS alumni business leaders from a wide range of sectors and disciplines what they see as the role of business and business leaders in this important moment.