Ключевые слова: background, bio, biology, care, change, clean, climate, co2, concept, conservation, day, development, earth, eco, ecology, economy, ecosystem, energy, environment, environmental, finance, footprint, forest, friendly, global, globe, governance, green, growth, hand, holding, human, leaf, life, nature, planet, plant, protect, protection, recycle, responsibility, safe, save, social, soil, sustainability, sustainable, technology, tree, world,