Sustainability is a social goal for people to co-exist on Earth over a long period of time. Definitions of this term are disputed and have varied with literature, context, and time. Sustainability usually has three dimensions (or pillars): … 展开

Development of three dimensions
Scholars usually distinguish three different areas of sustainability. These are the environmental, the social, and the economic. Several terms … 展开

Environmental impacts of humans
There are several methods to measure or describe human impacts on Earth. They include the ecological footprint, ecological debt, carrying capacity, and sustainable yield. The idea of planetary boundaries is that there are limits to … 展开

Characteristics
Sustainability transformation (or transition), though not universally defined, refers to a deep, system-wide change affecting technology, … 展开

Current usage
Sustainability is regarded as a "normative concept". This means it is based on what people value or find desirable: "The quest for sustainability involves connecting what is known through scientific study to applications in pursuit of … 展开

Environmental and economic dimensions
People often debate the relationship between the environmental and economic dimensions of sustainability. In academia, this is discussed under the … 展开

There are many reasons why sustainability is so difficult to achieve. These reasons have the name sustainability barriers. Before addressing these barriers it is important to analyze and understand them. Some barriers arise from nature and its complexity … 展开