How can a hotel systematically measure and manage its carbon footprint?

GHG Protocol Measurement:
- Scope 1: Direct emissions (fuels).
- Scope 2: Indirect emissions (electricity/district heating).
- Scope 3: Supply chain, guest travel, waste.
Software Tools: Greenview, myclimate, ZunoCarbon.
ESG Reporting: Annual, with year-on-year comparison.