Ключевые слова: bio, carbon, certificate, climate, co, co2, concept, dioxide, eco, ecological, ecology, emblem, emission, emissions, environment, environmental, environmentally, friendly, fuel, green, grungy, icon, illustration, industry, insignia, label, leaves, logo, monoxide, natural, nature, neutral, neutrality, plant, pollution, power, protect, recycle, retro, rubber, safe, save, seal, sign, stamp, sticker, symbol, symbolic, zero,