Ключевые слова: abstract, art, away, background, blue, concept, conservation, contemporary, creative, cut, day, deficit, design, draining, drink, drip, drop, drought, ecology, economy, environment, environmental, faucet, flow, fresh, freshwater, global, hourglass, lack, leak, leaking, off, paper, pop, poster, problem, protection, reserve, resource, save, saving, shortage, switch, time, turn, water, waterdrop, wet, world, yellow,