Ключевые слова: conservation, data, earth, eco, ecology, efficiency, electric, electricity, element, energy, environment, environmental, factory, flat, flower, garbage, generation, graphic, green, icon, infograph, infographic, label, leaf, line, nature, nuclear, oil, option, outline, planet, plant, plug, power, radioactive, recycle, recycling, report, set, sun, symbol, technology, template, thin, tree, visualization, waste, water, wind, world,