Ключевые слова: 3d, 3d illustration, agenda, alternative energy, alternatives, battery, care, citizens, clear, climate change, clip art, computer graphic, connect, daily, energy, environmentalist, ethanol, evening, fuel, governance, grant, head, health, icon, infographic, isometric, light, mobile, painted, photovoltaic, playground, polluting, renewable, residential, silhouette, skyline, skyscraper, smog, social, solar, successful, sustainability, tank, technology, turbines, vitality, warming, waste, windmill,