Green Activities Should Start at the Top, from CEOs and Managers

Green activities should start at the top, from CEOs and managers. How would they boost the company's green endeavours?

A) CEOs will need to prepare for the demands for sustainability from stakeholders.
B) Strategic decisions must be supported by the entire organization.
C) Convincing employees to apply 'greener' processes, which save resources and help the environment, should be on top of the hotel executives' agenda
D) All of these