Capturing CarbonAn eighth-grader's science fair project prompts her scientist father to develop a new way to pull excess carbon dioxide out of the atmosphere. Where Do We Put It?Explore options for storing the carbon dioxide that threatens to turn Earth into a solar oven. Ask the ExpertGeophysicist Klaus Lackner from Columbia University answers your questions on carbon capture and storage. Video ExtraHow many pounds of CO2 does a person breathe out every year, and how many pounds does a tree take up?
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