Ключевые слова: abstract, carbon, circle, clean, climate, cloud, company, concept, conservation, continent, day, earth, eco, ecology, economy, ecosystem, emission, energy, environment, environmental, factory, footprint, forest, gas, global, globe, green, greenhouse, industry, map, nature, net, neutral, planet, protection, recycling, reduce, reuse, save, social, sustainable, symbol, technology, tree, waste, zero,