Ключевые слова: alternative, battery, biomass, clean, dam, development, earth, eco, ecology, electric, electricity, energy type, fossil, fuel, generation, generator, geothermal, graphic design, green, hydro, hydroelectric, hydrogen, industry, infographic, line icon, linear sign, natural, outline pictogram, photovoltaic, planet, pollution, power plant, production, renewable, resource, scheme, solar panel, source, station, supply, sustainability, sustainable, technology, tree, turbine, vector illustration, water, wave, wind, windmill,