Sustainability focuses on meeting the needs of the present without compromising the ability of future generations to meet their needs.
The concept of sustainability is composed of three pillars: economic, environmental, and social—also known informally as profits, planet, and people. (investopedia)
Moving toward sustainable production is often a complex process for companies. By basing decisions on longer timelines, some of the higher upfront investments in efficiency and renewable sources are easier to justify. Investors have had to adjust their expectations for returns because a company that commits to the sustainable development of resources may have more modest earnings results in the near term.