Österreichisches Internetportal für nachhaltige Entwicklung
Definitions in the area of sustainability
>> http://www.nachhaltigkeit.at/bibliothek.php3?glossar.html

Additional definitions of sustainability from various sources
Sustainability is an economic, social, and ecological concept. It is intended to be a means of configuring civilization and human activity so that society and its members are able to meet their needs and express their greatest potential in the present, while preserving biodiversity and natural ecosystems, and planning and acting for the ability to maintain these ideals indefinitely. Sustainability affects every level of organization, from the local neighborhood to the entire globe. It is a sometimes controversial topic.
>> http://en.wikipedia.org/wiki/Sustainability

Sustainability triangle/Tripple Bottom Line approach:
"In order to be sustainable, development must be economically profitable, biologically proper, and socially acceptable. These three considerations can be described as the "sustainability triangle"
>> http://www.woodland.ie/insights_sfm.htm#Sustain

Defintions of sustainability focussing on long-term perspective :
"Basically, sustainability refers to doing something with the long term in mind, (several hundred years is sufficient). It means that today's decisions are made with a consideration of sustaining our activities into the long term future."
"The ability of a community or society to develop a strategy of economic growth and development that continues to function indefinitely within the limits set by ecology and is beneficial to all stakeholders and the environment"
"In essence, sustainability is the ability of sustaining sustainable development, which is a process of change in which the exploitation of resources, the direction of investments, the orientation of technological development and institutional change are all in harmony and enhance both current and future potential to meet human needs and aspirations."
>> http://allfreeessays.com/student/Definition_of_Sustainability.html

Rio Earth Summit:
"The overall aim of the development of any society should be sustainable development. Sustainable developments encompasses environmental, economic, and social dimensions.
>> http://www.un.org/geninfo/bp/enviro.html

Österreichisches Internetportal für nachhaltige Entwicklung
Newspapers and magazines in the area of sustainability.
>> http://www.nachhaltigkeit.at/bibliothek.php3?zeitschrift.html

Österreichisches Internetportal für nachhaltige Entwicklung
Important documents in the area of sustainability.
>> http://www.nachhaltigkeit.at/bibliothek.php3?dokument.html