Definicije održivosti

a.) for the World Commission on Environment and Development (Brundtland Commission ) " development that meets the needs of the present without compromising the ability of future generations to meet their own needs "

b.) for the Agenda 21, Chapter 35 " the development requires taking long-term perspectives, integrating local and regional effects of global change into the development process, and using the best scientific and traditional knowledge available"

c.) for the Council of Academies of Engineering and Technological Sciences: " It means the balancing of economic, social environmental and technological considerations, as well as the incorporation of a set of ethic values"

d.) for the Earth Chapter " The protection of the environment is essential for human well-being and the enjoyment of fundamental rights, and as such requires the exercise of corresponding fundamental duties"

e.) Thomas Jefferson, Sept.6 1789 " Then I say the earth belongs to each generation during its course, fully and in its right no generation can contract debts greater than may be paid during the course of its existence"