Ключевые слова: awareness, background, care, celebration, concept, conservation, day, design, earth, earth day, eco, eco green, ecology, energy, environment, environment day, environmental, environmental friendly, forest, gardening, glass, global, globe, green, green world, happy earth day, illustration, leaf, map, natural, nature, nature conservation, organic, planet, plant, poster, power saving, protect, protection, recycle, recycling, save, save energy, save tree, save world, sphere, sustainable, symbol, tree, world,