The economic dimension of sustainability is controversial. a more sustainable world), while sustainable development refers to the many processes and pathways to achieve it.' UNESCO distinguishes the two like this: ' Sustainability is often thought of as a long-term goal (i.e. A related concept is sustainable development, and the terms are often used to mean the same thing. The idea of sustainability can guide decisions at the global, national, and individual levels (e.g. In everyday use, sustainability often focuses on countering major environmental problems, including climate change, loss of biodiversity, loss of ecosystem services, land degradation, and air and water pollution. Experts often describe sustainability as having three dimensions (or pillars): environmental, economic, and social, and many publications emphasize the environmental dimension. Specific definitions of this term are disputed and have varied with literature, context, and time. Sustainability is a social goal for people to co-exist on Earth over a long time. The schematic with the nested ellipses emphasizes a hierarchy of the dimensions, putting environment as the foundation for the other two.

In the top right it is a nested approach. Several visual representations of sustainability and its three dimensions: the left image shows sustainability as three intersecting circles.

Not to be confused with Unsustainable (song).

What is global city simple definition