Ключевые слова: 30, abstract, activist, art, bag, clean, clear, collage, composite, conservation, contemporary, day, design, dream, dreamy, earth, eco, ecology, ecosystem, environment, forest, garbage, globe, idea, illustration, male, man, montage, nature, package, peace, plan, planet, plastic, pollution, protection, recycle, reuse, rubbish, sack, save, think, thoughtful, trash, voluntary, volunteer, warning, waste, world, young,