| Term | Definition |
| Tragedy of Commons | the conflict of short term interests of individuals and the long term welfare of society |
| Risk Assessment | a tool that helps us creates cost-effective ways to protect our health and the environment |
| Ecology | the branch of biology concerned with the relations between organisms and their environment |
| Natural Resource | Any material that is used by humans such as water, petroleum, minerals, forests, and animals |
| Supply and Demand | the greater the demand for a limited supply of something, the more that thing is worth |
| Industrial Revolution | Started by the discovery of fossil fuels |
| Depleted | when a large fraction of a resource has been used up |
| Developed Countries | countries with higher average income, slower population growth, diverse industrial economies, and stronger social support systems |
| Biodegradable | able to break down into the soil |
| Short term interest | what is good now but maybe not later |
| Non-biodegradable | not able to break down into the soil |
| Hunter and Gatherer | Nomads who collected food and hunted for food. Burned forests/prairies |
| Long term welfare | what is good in the future but maybe not now |
| Developing Countries | countries with lower average incomes, simple agricultural-based economies, and rapid population growth |
| Pollution | something that harms organisms |
| REAL rules | Respect, effort, attention, learning |
| Renewable resource | a resource that is able to be reused, or can be replenished quicker than we use it. |
| Non renewable | a resource that forms at a much slower rate than it is consumed |
| Cost-benefit Analysis | balances the cost of the action against the benefits one expects from it |
| Agriculture | the practice of growing, breeding, and caring for plants and animals that are used for food, clothing, transportation, and other uses |
| Biodiversity | The variety of organisms in a given area, the genetic variation within a population, the variety of species in a community, or the variety of communities in an ecosystem |
| Environmental Science | the study of the impact of humans on the environment |
| Bias | an opinion |
| Agricultural Revolution | Start seeing more crops from less |
| Modern day commons | Earth's natural Resources |
| Sustainability | is the condition in which human needs are met in such a way that a human population can survive indefinitely |
| Commons | an area used by multiple people, shared by a community |
| Ecological Footprint | A calculation that shows the productive area of Earth needed to support one person in a particular country |
| Biology | the science that studies living organisms one of the fields in enviormental science |
| Earth Science | any of the sciences that deal with the earth or its parts one of the fields in enviormental science |
| Physics | the science of matter and energy and their interactions one of the fields in enviormental science |
| Social Science | the branch of science that studies society and the relationships of individual within a society one of the fields in enviormental science |
| Chemistry | the branch of the natural sciences dealing with the composition of substances and their properties and reactions one of the fields in enviormental science |
| Mass Extinctions | When human interference causes mass amounts of animals/plants to die |
| Gas and Coal | non renewable fossil fuels |
| Recyclable | possible to use again |
| Non Recyclable | not possible to use again |