Hilton Worldwide is two years ahead of schedule in achieving its five-year goal to reduce waste output by 20 percent. Since introducing its sustainability measurement system called LightStay, the company has reduced carbon output by 10.9 percent, waste output by 23.3 percent, energy use by 9.7 percent, and water use by 7.5 percent.

Hilton also has saved more than $147 million in savings from efficient hotel operation. Properties throughout the world have implemented unique sustainability initiatives. Hilton Americas – Houston Texas converted to using biodiesel as a preferable fuel, allowing the hotel to recycle 14,000 pounds of kitchen oil and divert seven tons of oil-based food waste from landfills. The DoubleTree Guest Suites by Hilton Paracas Peru uses a wastewater reclamation plant that is independent of the area sewage system and cleans wastewater to a quality that can be used for watering the hotel’s garden areas. In Europe, Hilton Malta uses sea water to cool its air conditioning system.