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31 Cards in this Set
- Front
- Back
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Sustainability
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it’s earth’s ability to recover from the changing environmental conditions through the natural cycles
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Environment
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is everything that surrounds us, living or non-living.
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Ecology
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the study of how organisms interact with other organism and environment.
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Species
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a type of creature that can reproduce and unique DNA
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Ecosystem
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everything that interacts with their environment and everything in it
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Environmentalism
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uses politics/ social to save the world
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What are the three Principles of Sustainability?
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Solar energy, Biodiversity, chemical cycling.
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Natural capital
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the natural resources and naturally services that keep us and other forms of life alive and supports human economies
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Natural resources
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are material and energy in the nature that are essential or useful to humans. Classified as renewable and non-renewable sources.
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Natural services
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are processes in nature such as purification of air and water and renewal of topsoil, which support life and human economies.
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Why is so hard to make changes?
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Different world views on it. Politics.
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What are so examples of us degrading our natural capital?
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We are using our sources faster than they can replenish.
- Forest destroyed= run off. - Chemicals to bodies of water. |
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Perpetual resources
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a resource that is never-ending. Ex. The sun!
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Renewable resources
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can take up to several days to hundreds of years to replace. We have to be careful and not deplete the sources or will never get it back.
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Sustainable yield
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is the highest rate that we can use the renewable resource without reducing the available supply
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Nonrenewable
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exist in fixed qualities
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Reuse
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using a resource over and over again directly
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Recycle
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reprocessing materials.
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Environmental degradation
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(natural capital degradation): we are wasting, deplete, and degrading the earth.
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Pollution
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contamination of the environmental by chemical or their agents that are harmful for humans and other organisms.
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Pollutants
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pollution substances
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Point Source
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single, identifiable sources of pollution
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Nonpoint sources
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are hard to identify sources of pollution
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Pollution clean up
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which is cleaning up or diluting pollutants. Temporary fix, more expensive
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What is the tragedy of commons originally? How can we solve this problem?
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The grazing field. Open for everyone, people took advantage, then there werent any fields.
-We can solve this problem by put laws and regulations to reduce the amount of resources. |
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Ecological footprints
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the amount of biological productive land and water needed to supple a person or a country.
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What is the IPAT formula?
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I (impact)= P (Population) x A (Affluence)x T (technology).
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What does the IPAT formula show?
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shows our impact
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Why do we have environmental problems? (4)
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1. Population growth has grown exponential. we are running out of supplies for everyone.
2. Wasteful- world of consumers. higher affluence, more wealth, more waste. However, affluence allows people to be more educated about the environment 3.Poverty- use whatever they can get, which might be harmful for the environment. 4. Failures- (a) companies use natural materials, and make money. they give tax breaks to them. (b) World's views are different. |
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What is are goal as a society?
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to reach environmental sustainability. We can survive before the industrial revolution, but we can use some of those ideas.
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What needs to happen to live sustainable?
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using renewable resources. live on natural income. and push for it in politics.
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