 Information and communication technology produces 3% of all global carbon emissions. Unless we do something, in 2050 it will reach 30%. What can we do? Software may be immaterial, but it still runs on hardware and determines its energy consumption. Making software energy efficient is crucial. Say hello to KDE ECO. We promote energy efficiency and the Blar-Engle ECO certification for free software. With 3 simple steps. Measure, analyze, and certify. Make energy efficient software a reality. Visit ECO.KDE.org and join us.