solar energy logo, windmill , pumb water power icon and natural electric concept

abstract agency air area art background beautiful bio biomass blue bright business circuit cloud color concept conditioning cooling cosumption decoration design development drop droplet electric electricity element emblem energy fossil fuel global graphic green heating hydro icon illustration image international land leaf logo modern natural nature orange panels photovoltaic pollution power pumb renew renewable retro river set shape sign silhouette sky solar sustainable symbol systems technology template thermal turbines ventilation view warming water wind windmill windpumps world yellow