Ключевые слова: activist, bag, bin, blue, bottle, care, clean, cleaning, collection, concept, ecology, environment, environmental, flower, forest, garbage, green, hand, helping, holding, leaf, litter, littering, man, nature, object, outdoor, outdoors, park, picking, plastic, plastic bag, pollution, problem, protect, protection, protective, recycle, recycling, responsibility, rubbish, spring, summer, sun, sustainable, trash, tree, volunteer, waste, zero waste,