At The Hospitality Show 2025 in Denver, Neal Daftary, vice president, market development at Green Key Global; Marie DeLibero, general manager with Sage Hospitality; Curtis Heath, director of engineering at the Westin Denver International Airport; and Jeff Johns, global VP of EMS business development at Nomadix, an Assa Abloy company, took a deep dive into sustainability partnerships and what implementation at hotels really looks like.