ID 181139673 © Chernetskaya | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
background blackboard chalkboard climate cold concept conservation consumption control cooling cost design different drawn ecology economy effective efficiency electric electricity energy environment estate finance global heat heating home house household icons idea illustration improvement insulation money object power rating real reduce renewable resources safety save season technology text warm winter