This document discusses sustainability and the risks it poses to organizations. It begins with defining sustainability as anything that threatens long-term business sustainability, focusing on environmental, social and governance (ESG) factors. The document then notes that overblown sustainability claims can lead to greenwashing accusations. It presents a case study on cybersecurity risks, calling it the number one governance issue and noting that failures to protect data will face regulatory, legal and reputational consequences. The document concludes by advising communicators to partner with experts, separate communication from technical issues, ask hard questions to verify facts, and avoid sustainability pitfalls.