What should Susan do to investigate other green market opportunities for the hotel?

Susan should conduct a market analysis to identify emerging trends in sustainability and eco-friendly practices within the hospitality industry. She can engage with guests and local communities to gather insights on their preferences for green initiatives. Additionally, exploring partnerships with sustainable suppliers and attending industry conferences focused on green practices could provide valuable information and potential collaboration opportunities. Finally, benchmarking against competitors who have successfully implemented green strategies can offer practical ideas for innovation.