Carbon dioxide levels continue to rise at South Pole
429 views · Published 7 November 2013 · 1:29 · Indexed 23 October 2026
Channel: CBS Evening News · 2013 · News & Politics
The U.N. says carbon dioxide is responsible for 80 percent of the warming effect on the planet's climate. The gas's effects are felt all over the world -- even at the South Pole, where scientists find increasing levels of carbon dioxide in the air. John Blackstone reports.
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