Ключевые слова: agriculture, bag, bin, bottle, care, clean, cleanup, collect, conservation, day, dirty, disposal, dump, earth, eco, ecology, environment, environmental, forest, garbage, hand, horizontal, human, junk, lake, land, landfill, litter, nature, outdoors, park, people, picking, planet, plastic, polluted, pollution, pond, recycle, recycling, rubbish, togetherness, trash, trashcan, volunteer, volunteering, waste, woman, work, world,