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Description
Flashcards by sarah huong, updated more than 1 year ago
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Created by sarah huong
over 9 years ago
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| Question | Answer |
| What is Natural Capital? Give me 5 Examples | Natural capital is natural resources used to sustain life. Examples of natural capital are air, soil, water, rocks, and biodiversity. |
| Describe 5 major environmental problems. | 1. Air Pollution - urban air pollution (smog) 2. Indoor air pollution - sick building syndrome (from radon) 3. Water pollution - oil spill, flooding, nutrient overload (algae) 4. Waste - Household waste, industrial, agricultural, hazardous 5. Biodiversity depletion - habitat destruction, roadkill, extinction |
| Differences between reuse and recycle. | Reusing is using a product again before throwing it away. Recycling is breaking down a product to it's raw material and using it to create a new product. |
| What is sustainability? | Sustainability is the ability of a specific system to survive and function overtime. It will satisfy the needs of its inhabitants without depleting natural capital. It will not put current or future generation at risk. |
| What is Gross National Product? | The dollar value of all goods and services produced within a country and overseas by that country's business in one year. |
| What is Gross Domestic Product? | The dollar value of all goods and services produced within a country in a year per capita. |
| Difference between Developed and Developing Countries. | Developed: highly industrialized and urbanized, transportation/communication is better, GNP is $400-500 per capita, 85% of wealth, 20% of world's pop., 60% of pollution/waste. Developing: Low to moderate industrialized, agricultural based, lower population densities, traditional society, few major cities, 80% of pop, 15% of wealth, 95% of projected population in 2050. |
| What is pollution? | anything added to our air, water, soil, food, or bodies that threatens the health, survival, or activities of humans or other living organisms |
| Difference between point and non-point sources? | point source is some pollutants enter the environment from a single, easy to identify source. (smoke stack, car exhaust) non-point source is some pollutants are more difficult to determine. They may enter the environment from disperse sources. (oil runoff from roadways, excess herbicides, fertilizers, and insecticides from agricultural land/residential) |
| What makes a pollutant harmful? | 1. chemicals 2. concentration 3. persistance (how long it stays in the air, water, food, or bodies) |
| What is persistent? | slowly degradable (plastic, glass, pesticides, diapers |
| What is non persistent? | Non persistent: break down completely in a rapid time often by biological process (paper, fruits, vegtables) |
| What is non degradable? | Nondegradable (by natural process): things that will not breakdown (lead, mercury) |
| Nonrenewable resources | Exist on a fixed quantity in the earth's crust; Example: fossil fuel, metallic minerals (copper, iron), unmetallic minerals (clay, sand) |
| Potentially renewable resources | can be replenished rapidly minutes to decades if care is taken; Examples: fresh air, fresh water, biodiversity, fertile soil |
| Renewable resources | perpetual, continually renew themselves on a human scale; Examples: solar energy, tides, wind, running water |
| How to extend the lifespan of resources? | 1. Find more 2. Recycle 3. Reuse 4. Repurpose 5. Waste less 6. Use less 7. Develop a substitute 8. Wait a million years or so. |
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