Emaar Hospitality Group Takes ‘The Pearl Pledge’ to Conserve Water and Marine Resources | #emaar #emaarhospitality #thepearlpledge #expo2020 #greenkeycertification #dubaisustainabletourism #emiratesnature #olivierharnisch #hospitalityindustryboardgame #YousufLootah #hozpitality #awareness #conservation #protect