<P>Understanding the complexity of sustainability is crucial for the leadership of business organizations, national governments, and non-governmental organizations. This second edition of the bestselling book <I>The Three Levels of Sustainability</I> uses the same interdependent three-level and three-dimensional framework as the first edition, encompassing societal, organizational, and individual levels, to clearly demonstrate what sustainability means and how to implement it. This new edition incorporates important developments in reporting and measuring, corporate behaviors, the impact of COVID-19, and the UN Sustainable Development Goals.</P><P>More and more societies are becoming aware of their dependence on earth''s resources. However, there is still a deep-rooted lack of awareness of the connection between society''s ambitions for economic growth, earth''s limitations, and unequal distribution of wealth. Prominent institutions and organizations and their leaders rely on the confo