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BIO 1500 Chapter 1
Biology
Question | Answer |
---|---|
List some components of Environmental Science | 1.Ethics 2.Economic 3.Biology, chemistry, geology & etc. |
Consist of what individuals and societies believe to be important & what should be encouraged:Profit, comfort,efficiency, sustainability. | Values |
What is the key value of an environmental perspective | Sustainability |
Term for an attempt to provide the best outcomes for the human & natural environments now & into the indefinite future. | Sustainability |
Term for balancing the fulfillment of human needs with protection of the natural environment so that needs can be met now &I into the indefinite future. | Sustainable Development |
List seven areas where sustainable resource use & development are identified as important issues. | 1.Agriculture 2.Energy 3.Fisheries 4.Forestry 5.Minerals & Metals 6.Tourism 7.Water use |
Agricultural & livestock practices that maintain environmental balance in the face of intensive agriculture. | Sustainable Agriculture |
Sustainable agricultural practices that do not include artificial chemical inputs. | Organic Farming |
Practice of sustaining and enhancing the quality of agricultural soils to maximize yields, control pests, and guard against drought. | Soil Husbandry |
Practice of leaving crop residues in the ground following harvesting. | Stubble Mulching |
Compare and contrast: Renewable and Sustainable sources of energy. *Renewable=Replaced by nature. *Non-Renewable=Not Replaced. | 1.Generate energy in ways that don't deflate the earth's natural resources. 2.Sustainable sources don't cause significant environmental externalities. |
Harmful environmental, economic or social costs not accounted for in the prices of goods and services. | Environmental Externality |
List some externalities involved with the manufacture of cars: | 1.Air pollution 2.Health problems 3.Defending oil supply 4.Disposing cars (towing) 5.Infrastructure |
Possible externalities of Hydroelectric energy: | 1.Flooding 2.Ponding 3.Silting 4.Lack of flooding in system adapted for it. *EX. Nile & Colorado River |
Possible externalities of Geothermal energy | Geyser Fields |
Possible externalities of Biomass energy | Increased prices for some crops because of competition |
Possible externalities of Solar energy | Possible production of manufacturing waste |
Possible externalities of Wind energy | Noisy and unsightly and can kill significant number of migrating birds & bats |
Of the renewable energy sources, Hydroelectric,Geothermal,Biomass,Solar & Wind, which one is NOT considered sustainable | Hydroelectric |
Give some barriers to sustainability | 1.Environment externalities not computed in prices. 2.Chg. resistance 3.Technology 4.Population growth & rising expectations 5.Proverty |
Activity that is least sustainable | Plastic bags for sandwich wrap |