Dealing with CO2 emissions

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Human beings emit over 30 billion tons of carbon dioxide per year. It’s a global problem, connected with sea level rise and changing global temperatures. There have been many calls for reductions in CO2 emissions, but others look to technology to sequester or trap CO2 below the earth’s surface. Ashley Ahearn reports how some of the most promising research in this field is happening in Iceland. Download MP3

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