Iceberg breaks off in Greenland

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A massive iceberg broke off Greenland this week. It’s the largest break in Greenland in 50 years, setting off alarm bells among climate watchers. Anchor Jeb Sharp speaks with Dr. Robert Bindschadler, one of NASA’s leading climate scientists, about the break. Download MP3

• Satellite images of glacier before and after
• BBC coverage
• Environment coverage on The World

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

• CO2 fixation in basaltic rock in Iceland
• Fighting Global Warming by Turning CO2 into Stone
• BBC animated guide to climate change