• Nachhaltigkeit
     Help
  • die Energiequelle
    energian lähde
  • der Energieverbrauch
    energian kulutus
  • erneuerbare Brennstoffe
    uudistuvat polttoaineet
  • Unlock this slideshow and over 4 million more with Baamboozle+
    Try slideshows
    • Your experience on this site will be improved by allowing cookies.