This document discusses sustainability and why it is important for businesses. It defines sustainability as meeting present needs without compromising future generations' ability to meet their own needs. While some think the sole purpose of business is profit, the document argues businesses must exist for higher purposes. It outlines the triple bottom line of people, planet, and profit. Key sustainability concepts are systems thinking, stakeholders, and material issues. The business case for sustainability includes reducing costs and risks, gaining competitive advantages, and improving reputation. Actions businesses can take include evaluating impacts, embedding sustainability into planning, understanding issues, setting goals, and implementing initiatives.