Ключевые слова: agriculture, banner, beginning, bio, biodiversity, biology, business, care, concept, conservation, day, development, earth, eco, ecological, ecology, energy, environment, environmental, fresh, friendly, garden, gardening, green, grow, growing, growth, leaf, life, natural, nature, new, plant, preservation, protection of nature, sapling, save, seed, seedling, small, soil, spring, sprout, sunny, sustainability, tree, weather, world, world earth day, young,