Ключевые слова: air pollution, atmosphere, break up, carbon, carbon dioxide, challenge, climate, climate change, co2, concepts, damage, dioxide, dismantle, dismount, echo, ecology, effect, emission, emissions, environmental conservation, environmental damage, environmental issues, field, gas, global, global warming, grass, greenhouse gas, jigsaw, lawn, lone tree, meadow, metaphor, natures, ozone, ozone depletion, problems, protection, puzzle, reduce, reduction, resolution, save, solution, solving, strategy, tree, unmount, warming, weather,