Bibliography used in the topic "Resources and environmental impacts" of Biology and Geology 4th ESO

Air. (2017, October 29). Wikipedia, The Free Encyclopedia . Consultation date: 18:29, November 9, 2017 from https://es.wikipedia.org/w/index.php?title=Aire&oldid=102959857 .
Biology and Geology 3 ^or ESO. (s. f.). Retrieved April 19, 2013, from http://recursostic.educacion.es/secundaria/edad/3esobiologia/index.htm
Andorran thermal power plant. (2020, January 3). Wikipedia, The Free Encyclopedia. Consultation date: 16:25, January 6, 2020 from https://es.wikipedia.org/w/index.php?title=Central_t%C3%A9rmica_de_Andorra&oldid=122480077 .
Pollution. (2017, October 22). Wikipedia, The Free Encyclopedia. Consultation date: 19:52, November 9, 2017 from https://es.wikipedia.org/w/index.php?title=Contaminaci%C3%B3n&oldid=102768112 .
Noise pollution. (2017, November 16). Wikipedia, The Free Encyclopedia. Consultation date: 20:12, November 17, 2017 from https://es.wikipedia.org/w/index.php?title=Contaminaci%C3%B3n_ac%C3%BAstica&oldid=103460208 .
Light pollution. (2017, October 20). Wikipedia, The Free Encyclopedia. Consultation date: 12:03, November 18, 2017 from https://es.wikipedia.org/w/index.php?title=Contaminaci%C3%B3n_lum%C3%ADnica&oldid=102729258 .
Community dynamics. (s. f.). Retrieved May 6, 2016, from http://recursostic.educacion.es/secundaria/edad/4esobiologia/4quincena11/4quincena11_contenidos_3a.htm
Smog - Wikipedia, the free encyclopedia. (s. f.). Retrieved April 20, 2013, from http://es.wikipedia.org/wiki/Esmog under the Creative Commons Attribution Share Alike 3.0 License
Study on the quality of surface waters in Aragon. Aragonese Water Institute. https://w.aragon.es/portal/site/GobiernoAragon/menuitem.477320abc768cdc3871e10d354a051ca/?vgnextoid=37226c712547d210VgnVCM1000002e551bacRCRD&vgnextchannel=22a97a53e0gneut0004Vgnction#22a97a53e0gnetalf0004Vgnction#22a97a53e0gnetalf0004Vgnction#
Eutrophication. (2017, September 12). Wikipedia, The Free Encyclopedia. Consultation date: 19:57, November 20, 2017 from https://es.wikipedia.org/w/index.php?title=Eutrofizaci%C3%B3n&oldid=101842112 .
Graphics | the world is. (s. f.). Retrieved April 20, 2013, from http://www.elmundo.es/elmundo/2005/graficos/may/s1/desaladora.html
Organic solid waste incinerator. (2017, March 17). Wikipedia, The Free Encyclopedia . Consultation date: 19:15, November 27, 2017 from https://es.wikipedia.org/w/index.php?title=Incineradora_de_residuos_s%C3%B3lidos_org%C3%A1nicos&oldid=97626160 .
Biosphere Project. (s. f.). Retrieved April 19, 2013, from http://recursostic.educacion.es/ciencias/biosfera/web/
Natural resource - Wikipedia, the free encyclopedia. (s. f.). Retrieved April 19, 2013, from https://es.wikipedia.org/wiki/Recurso_natural
Overpopulation. (2017, November 22). Wikipedia, The Free Encyclopedia. Date of consultation: 10:01, November 25, 2017 from https://es.wikipedia.org/w/index.php?title=Superpoblaci%C3%B3n&oldid=103613086 .
Landfill (garbage). (2017, October 26). Wikipedia, The Free Encyclopedia. Date of consultation: 17:33, November 27, 2017 from https://es.wikipedia.org/w/index.php?title=Dump_(basura)&oldid=102882726.
(s. f.). Retrieved May 5, 2016, from http://e-ducativa.catedu.es/44700165/aula/archivos/repositorio/500/569/html/Unidad06/pagina_3.html