eco bulb with green leaf

alternative bulb concept concepts conceptual consumption creative earth eco ecological ecology electricity energy environment environmental equipment friendly future glass global green growth head icon idea ideas illustration industrial innovation inside invention isolated lamp leaf light lightbulb natural nature ogy organic outline planet plant pollution polution power process protection recyclable recycling renewable resource reusable reuse savings seasons signs silhouette small solar solution spring sunlight supply susta sustainability sustainabl sustainable symbol technological technology warming waste welfare