50 years on: The Keeling Curve legacy
By Helen Briggs
Science reporter, BBC News
It is a scientific icon, which belongs, some claim, alongside E=mc2 and the double helix.
Its name - the Keeling Curve - may be scarcely known outside scientific circles, but the jagged upward slope showing rising carbon dioxide (CO2) levels in the atmosphere has become one of the most famous graphs in science, and a potent symbol of our times.
It was 50 years ago that a young American scientist, Charles David Keeling, began tracking CO2 in the Earth's atmosphere at two of the world's last wildernesses - the South Pole and the summit of the Mauna Loa volcano in Hawaii.
Please click on
The Keeling Curve Legacy to read the rest of the story.
Link submitted by Robert McAfee, chairman of the Carbon Caps Task Force.
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