Ключевые слова: book, climate, concept, conceptual, conservation, continent, day, earth, eco, ecological, ecology, ecosystem, education, environment, environmental, family, forest, fresh, friendly, future, global, globe, green, growing, growth, innovation, knowledge, leaf, nature, planet, plant, planting, pollution, power, protect, protection, recycle, renew, responsibility, save, seed, seedling, soil, sustainability, sustainable, tablet, tech, tree, world,