| Term | Definition |
|---|
| carrying capacity | the maximum population that an environment can support |
| aquifer | a naturally occuring underground geologic formation that stores a significant amount of freshwater |
| biodiversity | the variety of life in all its forms including ecosystems, species, and genetic diversities |
| consumption | the process of using natural resources, materials, or finished products to satisfy human wants and needs |
| ecological deficit | what happens when we use resources more quickly than they can be renewed |
| ecological footprint | the area of the Earth's surface that it takes to support everything a person uses |
| environmental justice | the equal treatment of all people, regardless of race, income, culture, or social class with respect to the environment |
| global warming | a change in global temperature that scientists believe is caused by human activities |
| green revolution | the use of machinery, fertilizer, pesticides, irrigation, and hybrid plants that is meant to increase food production |
| GDP | the total value of goods and services produced by a country |
| infrastructure | basic services that provide for transportation, communication, power, water, and public institutions such as hospitals. |
| ozone holes | gaps in the atmosphere around the Earth caused by chemicals |
| selective harvesting | in forestry when only a portion of the forest is cut down each year |
| tragedy of the commons | occurs when a resource is owned in common yet not managed in common |
| greenhouse gases | gases such as carbon dioxide that accumulate in the atmosphere and lead to global warming |
| population is growing fastest in what type of countries? | developing |
| consumption of natural resources is greatest in what type of countries? | developed |
| as population increases does the amount of available freshwater go up or down? | down |
| which animal species was once endangered but now thrives? | bald eagle |
| more than 840 million people go hungry due to mismanaged food _______________ | distribution |
| the average ecological footprint in the USA is? | 23.6 acres |
| Two of every five people on the planet exist on how many $$ a day? | 2 |
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