One such criticism is that the concept is vague and merely a buzzword. The concept of sustainability has been criticized for various reasons. a more sustainable world), while sustainable development refers to the many processes and pathways to achieve it." However, UNESCO distinguishes the two thus: " Sustainability is often thought of as a long-term goal (i.e. Ī closely related concept is that of sustainable development, and the terms are often used synonymously. The concept of sustainability can be used to guide decisions at the global, national, and individual levels (e.g. For this reason, in everyday use, "sustainability" is often focused on countering major environmental problems, such as climate change, loss of biodiversity, loss of ecosystem services, land degradation, and air and water pollution. Many publications state that the environmental dimension is the most important. Sustainability is commonly described as having three dimensions (or pillars): environmental, economic, and social. Specific definitions of sustainability are difficult to agree on and have varied with literature, context, and time. Sustainability is a societal goal that relates to the ability of people to safely 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. Visual representations of sustainability and its three dimensions: Left, sustainability as three intersecting circles.
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