Ключевые слова: action, background, bag, ball, black, campaign, clean, concept, contamination, damage, danger, dark, day, destruction, dirty, dump, earth, eco, ecology, ecosystem, environment, environmental, garbage, global, globe, green, household, isolated, life, litter, nature, planet, plastic, pollution, problem, protect, protection, recycle, recycling, rubbish, save, social, space, sphere, symbol, toxic, trash, waste, white, world,