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Virginia Tech - GEOS 1024 - Resource Geology Chapter 4 - Class Notes

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Virginia Tech - GEOS 1024 - Resource Geology Chapter 4 - Class Notes

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background image ● Wall ​ ​to​ ​Wall,​ ​Cradle​ ​to​ ​Cradle​ ​-​ ​Leading​ ​carpet​ ​company​ ​takes​ ​a​ ​chance​ ​on​ ​going​ ​green  ○ Consideration ​ ​of​ ​our​ ​ecological​ ​footprint​ ​allows​ ​us​ ​to​ ​measure​ ​our​ ​impact​ ​on  Earth ​ ​based​ ​on​ ​resources​ ​use.   ○ Problem:  ■ Carpet ​ ​manufacturing​ ​from​ ​petroleum​ ​is​ ​toxic​ ​and​ ​releases​ ​large  quantities ​ ​of​ ​air​ ​and​ ​water​ ​pollutants.​ ​It​ ​is​ ​also​ ​a​ ​non-sustainable​ ​resource  intensive ​ ​product.   ○ Action:  ■   ○ Choices ​ ​made​ ​by​ ​businesses​ ​and​ ​consumers​ ​impact​ ​the​ ​environment​ ​-​ ​energy,  water, ​ ​waste.  ○ Environmentally ​ ​mindful​ ​businesses​ ​look​ ​to​ ​nature​ ​as​ ​a​ ​model  ○ Ecosystems ​ ​goods​ ​and​ ​services​​ ​-​ ​timber​ ​and​ ​water​ ​are​ ​good;​ ​air​ ​purification​ ​and  nutrient ​ ​cycling​ ​are​ ​services.  ○ Some ​ ​services,​ ​such​ ​as​ ​oxygen​ ​production,​ ​cannot​ ​be​ ​replaced.  ○ Ecological ​ ​footprint​​ ​-​ ​Land​ ​needed​ ​to​ ​provide​ ​resources​ ​and​ ​to​ ​assimilate​ ​waste.  ■ Can ​ ​extend​ ​beyond​ ​where​ ​you​ ​live​ ​where​ ​you​ ​work  ○ An ​ ​intact​ ​ecosystem​ ​is​ ​naturally​ ​sustainable.​ ​Degradation​ ​of​ ​the​ ​system​ ​prevents  nature ​ ​from​ ​providing​ ​goods​ ​and​ ​services​ ​-​ ​a​ ​threat​ ​to​ ​our​ ​future​ ​economically,  socially, ​ ​and​ ​environmentally.  ○ Natural ​ ​Capital​ ​​-  ■ Capital ​ ​that​ ​is​ ​produced​ ​by​ ​nature   ● Trees, ​ ​fish,​ ​oxygen  ○ Natural ​ ​Interest​ ​​​ ​-   ■ Interest ​ ​that​ ​is​ ​produced​ ​by​ ​nature  ● More ​ ​fish​ ​more​ ​trees  ○ How ​ ​much​ ​of​ ​the​ ​interest​ ​could​ ​we​ ​“spend”​ ​without​ ​depleting​ ​capital?  ○ Ecological ​ ​Economic​ ​Example​​ ​-​ ​Natural​ ​capital​ ​produces​ ​additional​ ​product  (interest)  ○ Consuming ​ ​no​ ​more​ ​than​ ​the​ ​interest​ ​allows​ ​the​ ​natural​ ​capital​ ​to​ ​continue  making ​ ​more​ ​product  ○ Consuming ​ ​the   ● IPAT ​ ​Model:  ○ The ​ ​IPAT​ ​model​ ​used​ ​to​ ​estimate​ ​an​ ​ecological​ ​footprint​ ​for​ ​a​ ​population  ○ Is ​ ​based​ ​on​ ​size​ ​of​ ​the​ ​population,​ ​level​ ​of​ ​affluence,​ ​and​ ​impact​ ​of​ ​technology.  ○ Affluent ​ ​and​ ​technology​ ​-​ ​dependent​ ​populations​ ​use​ ​more​ ​resources​ ​and  generate ​ ​more​ ​waste.  ○ Note ​ ​that​ ​technology​ ​can​ ​also​ ​have​ ​a​ ​beneficial​ ​effect​ ​when​ ​it​ ​increases  efficiency  ○ I ​ ​=​ ​P​ ​x​ ​A​ ​x​ ​T  ■ Impact ​ ​=​ ​Population​ ​x​ ​Affluence​ ​x​ ​Technology  ●   ○ Internal ​ ​costs​ ​-​ ​things​ ​that​ ​go​ ​into​ ​our​ ​budget 

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School: Virginia Polytechnic Institute and State University
Department: Geoscience
Course: Resources Geology
Professor: Luca Fedele
Term: Fall 2016
Tags: Geology
Name: Resource Geology Chapter 4
Description: These notes cover all of the material from the class presentation for Chapter 4.
Uploaded: 09/02/2017
2 Pages 8 Views 6 Unlocks
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