ENV200H1 Lecture Notes - Ozone Depletion, Resource Depletion, Infant Mortality
Document Summary
More than 1/2 world"s population live at poverty. Economic growth:expansion in output of a nation"s goods and services(uneven) Overpopulated:demand harms env same effect:pollution,resources depletion,degradation of env. 20% world"s population(complex industrialized bases,low rates of population growth/high per person incomes) Poor:moderately developed countries mexico turkey thai south africa (medium levels of industrialization and average per person incomes) Less developed countries (ldcs) mali laos ethiopia ---abundant cheap,unskilled labors/scarce capital investment---agriculturally based---hunger. disease. illiteracy (low levels of industrialization,very high rates of population growth,very high infant mortality rates,and very low per person incomes) Ecological footprint:measures how much land and water area a human population or being requires to produce the resources it consumes and to absorb its waste. T:env effects of the technologies used to obtain and consume the resources. The equation is of limited use when making long-term predictions. Environmental sustainability:the ability to meet humanity"s current needs without compromising the ability of future generations to meet their needs.
