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B.R E S U R S E L E N E R E G E N E R A B I L E
1.Minereurile feroase(fier,mangan,nichel,crom) seexploateaza din Norvegia, Suedia, F. Rusa. La noi intara minereuri
de fier:Teiuc in M-tii Poiana Rusca,Lueta (jud. Harghita),Baisoara (jud. Cj).
2.Minereuri neferoase (aluminiu,magneziu,cupru,plumb, zinc) se exploateaza dinF.Rusa,SUA,Ucraina,
Chile, Peru,America de S.In Romania seexploateaza din M-tii Apuseni si din zona BaiaMare.
3.Minereuri auroargentifere se exploateaza din F.Rusa, Africa de S,Brazilia, Sua.

4.Rocile de constuctie
a)sedimentare
-calcarele sunt utilizate in industrialiantilor si se gasesc in mari cantitatiin toatecontinentele.
-argila este materia prima pentru industriaportelanurilor,folosita cu precadere inChina,Japonia,Franta,Italia
b)magmatice
- granitul de origine intruziva,este frecventin regiunile montane vechi dinEgipt,Italia,Finlanda,Romania
c)metamorfice
- marmura, cu rezerve mai mari si debuna calitate in Europa,se exloateaza inGrecia,Italia,Romania,India,China.


Sursele de energie existente se clasifică în: surse de energie convenţionale, care cuprind
energia hidraulică, cărbunii, petrolul şi gazele naturale; surse de energie
neconvenţionale, în care se includ: energia eoliană, energia solară, energia
nucleară,energia geotermală, energia din biomasă, energia apei. Civilizaţia actuală
consumă cantităţi enorme de energie, iar principalele surse sunt combustibilii fosili :
petrolul, gazele naturale şi cărbunii. Aceştia au următoarele inconveniente : sunt în
cantitate finită şi prin ardere degajă în atmosferă dioxid de carbon, principalul gaz care
determină efectul de seră. Efectul de seră determină schimbări climatice la nivelul
globului terestru şi fenomene meteorologice extreme ce ameninţă serios supravieţuiriea
multor specii de plante şi animale, viaţa şi sănătatea oamenilor. Impasul poate fi depăşit
doar prin utilizarea unor surse energetice inepuizabile şi care să nu aibă efecte negative
asupra mediului.Soluţia este folosirea redusă şi raţională a surselor de energie
tradiţională în paralel cu sursele de energie regenerabilă care au avantajul că sunt
inepuizabile, puţin poluante şi nu produc schimbări climaterice. Chiar dacă în prezent
energia curată este mai scumpă, în viitorul apropiat va prezenta o alternativă viabilă.

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Surse conventionale

  • 1. B.R E S U R S E L E N E R E G E N E R A B I L E 1.Minereurile feroase(fier,mangan,nichel,crom) seexploateaza din Norvegia, Suedia, F. Rusa. La noi intara minereuri de fier:Teiuc in M-tii Poiana Rusca,Lueta (jud. Harghita),Baisoara (jud. Cj). 2.Minereuri neferoase (aluminiu,magneziu,cupru,plumb, zinc) se exploateaza dinF.Rusa,SUA,Ucraina, Chile, Peru,America de S.In Romania seexploateaza din M-tii Apuseni si din zona BaiaMare. 3.Minereuri auroargentifere se exploateaza din F.Rusa, Africa de S,Brazilia, Sua. 4.Rocile de constuctie a)sedimentare -calcarele sunt utilizate in industrialiantilor si se gasesc in mari cantitatiin toatecontinentele. -argila este materia prima pentru industriaportelanurilor,folosita cu precadere inChina,Japonia,Franta,Italia b)magmatice - granitul de origine intruziva,este frecventin regiunile montane vechi dinEgipt,Italia,Finlanda,Romania c)metamorfice - marmura, cu rezerve mai mari si debuna calitate in Europa,se exloateaza inGrecia,Italia,Romania,India,China. Sursele de energie existente se clasifică în: surse de energie convenţionale, care cuprind energia hidraulică, cărbunii, petrolul şi gazele naturale; surse de energie neconvenţionale, în care se includ: energia eoliană, energia solară, energia nucleară,energia geotermală, energia din biomasă, energia apei. Civilizaţia actuală consumă cantităţi enorme de energie, iar principalele surse sunt combustibilii fosili : petrolul, gazele naturale şi cărbunii. Aceştia au următoarele inconveniente : sunt în cantitate finită şi prin ardere degajă în atmosferă dioxid de carbon, principalul gaz care determină efectul de seră. Efectul de seră determină schimbări climatice la nivelul globului terestru şi fenomene meteorologice extreme ce ameninţă serios supravieţuiriea multor specii de plante şi animale, viaţa şi sănătatea oamenilor. Impasul poate fi depăşit doar prin utilizarea unor surse energetice inepuizabile şi care să nu aibă efecte negative asupra mediului.Soluţia este folosirea redusă şi raţională a surselor de energie tradiţională în paralel cu sursele de energie regenerabilă care au avantajul că sunt inepuizabile, puţin poluante şi nu produc schimbări climaterice. Chiar dacă în prezent energia curată este mai scumpă, în viitorul apropiat va prezenta o alternativă viabilă.