Bildnachweis
© Rawpixel.com/fotolia.com: Turbine Green Energy Electricity Technology Concept
© Gina Sanders/fotolia.com: Bach mit fliessendem, klarem Wasser
© Robert Kneschke/fotolia.com: Glückliche Familie und Kinder im Garten
© tl6781/fotolia.com: Photovoltaikanlage auf dem Dach
© EWF
© goodluz/fotolia.com: Closeup of little girl blowing blue wind wheel
© bombermoon/iStock: 1150486077
© petrenkod/iStock: 1132119589
© Sascha Hardes
© famveldman/fotolia.com: Kids playing with colorful paper boats in a park
© HansJrg/fotolia.com: Ederbrücke
© Yvonne Weis/fotolia.com: Wald mit Bach
© photoArts Doreen Friedrich, Oberheiden 35, 53804 Much, www.360gradpanoramafoto.de
© Stockr/stock.adobe.com: Sunset above the windmills