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Modern Climate - As depicted by this modern view of Seattle. The current level of carbon dioxide is about 370 ppm (parts per million) in our atmosphere, which is about one-third higher than the pre-industrial level. |
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Modern Climate - As depicted by this modern view of Seattle. The current level of carbon dioxide is about 370 ppm (parts per million) in our atmosphere, which is about one-third higher than the pre-industrial level. |