18 terms


developed countries
Countries with strong economies and a high quality of life
developing countries
Countries with less productive economies and a lower quality of life
growth to a global or worldwide scale
Being able to continue to operate, survive, and adjust to significant changes.
natural capital
the natural resources and natural services that keep us and other species alive and support out economies
rule of 70
Doubling time (in years) = 70/(percentage growth rate). See doubling time, exponential growth.
economic growth
increase in capacity to provide goods
economic development
The improvement of living standards by economic growth.
perpetual resources
On a human time scale it is renewed continuously; ex: the sun
sustainable yield
Highest rate at which a renewable resource can be used indefinitely without reducing its available supply
Human-induced changes on the natural environment
enviromental degradation
Damage to or destruction of the natural enviroment
per capita
per person
point source pollution
single source pollution
nonpoint source pollution
pollution that comes from many sources rather than from a single, specific site
ecological footprint
The amount of biologically productive land and water needed to support a person or population.
tragedy of the commons
situation in which people acting individually and in their own interest use up commonly available but limited resources, creating disaster for the entire community
aldo leopold
protect nature