This document discusses sustainability in the hospitality industry. It begins by defining sustainability as meeting present needs without compromising future generations' ability to meet their own needs. The document then discusses how sustainability involves environmental stewardship by individuals, communities, businesses, and governments. It also states that for a process to be considered sustainable, it must be able to be carried out repeatedly without negative environmental effects or high costs. The document emphasizes that sustainability definitions now include economic, social, and environmental demands that make up the "three pillars" of sustainability. It concludes by highlighting various ways hospitality properties can reduce environmental impacts and costs through more sustainable practices and operations.