Twenty-First-Century Leadership to Fight the Code Red for Business aims to equip a cadre of leaders with the tools they need to stop using fossil fuels for energy, electricity, and transport to reduce their carbon footprint. Inspired by 21 Lessons for the 21st Century by Yuval Noah Harari, the book offers an important addition to the canon of literature for leaders who want to cultivate a sustainability mindset. In straightforward prose, the author outlines what's at stake amid the climate crisis and the social, physical, and economic calamities that will follow if leaders don't act. The book also highlights three disruptors—technology, geopolitics, and governance—that need strategic action. The four key traits that set apart a twenty-first-century leader include: