Ключевые слова: alternative, answer, background, banner, bottle, business, choice, company, concept, cycle, domestic, ecological, ecology, economic, economy, energy, environment, environmental, field, garbage, grass, green, household, industrial, industry, lawn, natural, nature, office, paint, paper, plastic, power, recycle, renewable, resource, rubbish, sign, signage, solution, sustainability, sustainable, symbol, technology, term, text, waste, word, work, yellow,