Much of the carbon we are burning is not staying in the atmosphere. What's happening?
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Where does the carbon in the atmosphere come from?
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How does carbon get into the oceans, and how much is in there?
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How will increased amounts of carbon affect plants and animals?
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Plants need nitrogen. Can they get enough to meet the increased levels of carbon dioxide?
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What will increased carbon do to life in the oceans?
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Are there surprises in the carbon cycle that could lesson climate warming or make it much worse?
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Is there a carbon tipping point after which consequences will become dire?
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