Ключевые слова: awareness, biodegradable, campaign, change, clean, climate, climate change, co2, concept, consumer, earth, ecofriendly, ecology, ecosystem, effect, emission, energy, environment, future, geothermal, hydro, hydrodynamic, hydroelectric, icons, job, nature, planet, power, power plant, process, protection, recycle, recycling, renewable, salvage, save, sign, slate, solar, solar power, sun, symbol, time, transformation, transforming, use, waste, wind energy, windpower, wooden, work,