Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
22 Cards in this Set
- Front
- Back
|
Rule of 70
|
70/% population increase is how fast a population will double in years.
|
|
|
Exponential Growth
|
When a quantity increases at a fixed percentage per unit of time.
|
|
|
Environmental science
|
The study of how the earth works, how we interact with it, and how to solve problems.
|
|
|
Sustainability
|
The ability of the earth’s various systems, including human systems and economies to survive and adapt to changing environmental conditions indefinetely.
|
|
|
Natural Capital
|
The natural resources and natural services that keep us and other species alive and support our economies.
|
|
|
Environmentally Sustainable Societies
|
One that meets current and future needs of its people for resources in an equitable manner so that future generations can have their needs met. Does not degrade natural capital.
|
|
|
Perpetual Resource
|
A resource that can’t be depleted like sunlight.
|
|
|
Sustainable Yield
|
The highest rate at which a renewable resource can be used indefinitely without reducing its available supply is called its sustainable yield.
|
|
|
Environmental Degredation
|
When we exceed a resource’s natural replacement rate, and the available supply begins to shrink.
|
|
|
Common property or free access resources
|
These are unowned resources that are usually free such as air or fish. Degredation of these resources is known as the “tragedy of the commons.”
|
|
|
Ecological footprint
|
The amount of biologically productive land and water needed to supply and area with resources and to absorb the wastes and pollution produced by such resource use. Humanity’s ecological footprint exceeds 39% of the world’s ecological capacity.
|
|
|
Point Source Pollution
|
Single identifiable pollutants such as coal smokestacks. More easy to control. Usually a single source
|
|
|
Non-Point Source Pollution0
|
Larger and dispersed pollutants such as pesticides and fertilizer runoff. Difficult to identify, harder to control.
|
|
|
Input Pollution control
|
Eliminates the production of pollutants.
|
|
|
Output pollution control
|
Cleaning up pollutants after they have been produced.
|
|
|
Non renewable resource
|
On a human time scale, in fixed supply. Example would be oil.
|
|
|
Renewable Resources
|
Can be replenished on a human time scale. Example would be trees or wind.
|
|
|
Affluenza
|
Term to describe the over-consumption and materialism exhibited in many developed countries. Leads to environmental degradation since people use to many resources.
|
|
|
Planetary management worldview
|
Humanity separate from nature. Global economic growth is unlimited.
|
|
|
Stewardship worldview
|
Encourage environmentally beneficial forms of economic growth.
|
|
|
Environmental wisdom worldview
|
We are part of nature and need to incorporate earth-sustaining forms of economic growth into our societies.
|
|
|
Social capital
|
Having lots of people find common ground and work together for a common goal.
|
