all about energy efficiency online
Size: 5920px × 4338px
Photo credit: © Karsten Ehlers / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: button, certificate, clean, computer, computers, consumption, cost, eco, economical, economize, effect, efficiency, electric, electricity, emmission, energieaufwand, energiekoste, energiepass, energy, enviroment, environment, fabricate, graphic, green, homepage, illustration, internet, key, keyboard, laptop, net, notebook, online, outreach, pc, power, produce, production, regenerative, save, saving, sustainability, thrifty, turnaround, vigours, web, website, worldwideweb, www, öko, ökobilanz