Ключевые слова: alkaline, alternative, battery, clean, concept, conservation, disposable, earth, eco, ecological, ecology, electric, electricity, elements, energy, environment, environmental, garbage, global, green, growth, hazardous waste, industry, leaf, plant, polluting, pollution, power, protection, recycle, recycling, renewable, soil, sprout, symbol, technology, toxic, trash, waste, world environment day,