Marriott International group hotels achieve Gold certification from global sustainability organisation, for responsible tourism initiatives! | #SustainableTourism #ResponsibleHospitality #GreenGlobe #MarriottGroupHotels #GoldCertification #GreenGlobeCertification #DeltaHotelByMarriott #FourPointsBySheraton #EcoFriendlyPractices #NetZero2050 #FarnekCertification #MENARegion #SustainabilityAchievements #farnek