Querverweis: Emissionshandel http://ec.europa.eu/environment/climat/emission/index_en.htm http://ec.europa.eu/environment/climat/emission/implementation_en.htmhttp://www.umweltbundesamt.at/fileadmin/site/presse/news2005/FS_Emissionshandel.pdfhttp://ec.europa.eu/environment/climat/emission/index_en.htmwww.eeu-emissionshandel.athttp://de.wikipedia.o....