Ключевые слова: carbon footprint, climate, climate change, collection, color, earth, eco friendly, ecological, ecology, emissions, energy, energy saving, environment, environmental damage, forest, fossil fuel, iceberg, icon, industry, leaf, line icon, nature, nuclear energy, nuclear waste, outline, plants, polar bear, pollution, recycling, reforestation, set, sprout, square, sun, sustainable energy, symbol, toxic, transportation, waste, water,