Ключевые слова: america, background, business, care, climate change, close up, concept, conservation, crystal, day, development, earth, eco, ecology, ecosystem, energy, environment, environmental, environmentally friendly, europe, fresh, glass, global, global warming, globe, green, growth, health, leaf, light, lush, map, natural, nature, north pole, planet, plant, pollution, protect, protection, recycling, renewable, resource, shiny, spring, sustainability, sustainable, travel, white, world,