0 (of fuels or energy sources) that cannot be replaced after being used because they only exist in limited amounts -- ikke-fornybar
non-renewable resources such as fossil fuels.
1 (of an agreement) that cannot be extended for a longer period of time -- ikke-fornybar
a non-renewable contract/appointment.
The two classic approaches to intergenerational equity in an economy with capital and non-renewable resources are maximin, which yields constant consumption, and optimality using a constant utility discount rate.
It is assumed that timber is a non-renewable resource based in the fact that timber exploitation derives from forestland conversion devoted to agricultural production and cattle-raising.
For the natural capital component (the non-renewable resource), the positive returns are solely in terms of capital gains, which are not captured by its zero own rate of interest.
Managed with some level of diversity, perennial cropping systems promise many benefits in terms of land, water and wildlife conservation and decreased dependence on non-renewable energy sources4.
Some stocks of groundwater are found in largely non-renewable aquifers where water was deposited in ancient times, underlying regions having little river flow or precipitation and thus little recharge.
Apart from small islands and coastal communities, the social systems under threat are those producing the most carbon dioxide and overexploiting both renewable and non-renewable resources.
Although guano is accepted as an input for organic production, it is important to emphasize that guano is a non-renewable resource, as rapid exploitation will lead to its depletion.
Both approaches dominated the literature on economic rent calculation and optimal extraction of non-renewable resources.
