USA Today: One of the planet's top dipsticks is in trouble.
The "Keeling curve," the most famous measurement of the world's rising levels of carbon dioxide for the past six decades, is in jeopardy from funding shortfalls.
The Keeling curve, run by the Scripps Institution of Oceanography in San Diego, is the longest continuous record of carbon dioxide measurements on the planet. The measurements were begun in 1958 by Scripps climate scientist Charles David Keeling and are taken near the top of Mauna Loa...