NASA-Conceived Map of Antarctica Lays Ground for New Discoveries
November 27 — NASA unveiled a newly completed map of Antarctica that is expected to revolutionize research of the continent's frozen landscape. More

TRMM Turns Ten
November 20 — The Tropical Rainfall Measuring Mission has helped scientists rewrite the book about profound parts of Earth's water cycle. More

Local Sources Major Cause of U.S. Near-Ground Aerosol Pollution
November 16 — Most of the pollution found in the United States is from local sources, and only a small portion is brought here from other countries. More

Forests Damaged by Hurricane Katrina Become Major Carbon Source
November 15 — Hurricane Katrina damaged 320 million large trees which led to massive quantities of carbon dioxide being released into the atmosphere. More

NASA Sees Arctic Ocean Circulation Do an About-Face
November 13 — A team of NASA and university scientists has detected an ongoing reversal in Arctic Ocean circulation triggered by atmospheric circulation changes that vary on decade-long time scales. More

La Niña Persists
November 7 — The tropical Pacific Ocean remains in the grips of a cool La Niña, as shown by new data of sea-level heights from mid-October of 2007, collected by the U.S-French Jason satellite. More

NASA Data May Help Improve Estimates of a Hurricane's Punch
November 1 — As Tropical Storm Noel churns off Florida's east coast, NASA and university scientists have announced they have developed a promising new technique for estimating the intensity of tropical cyclones from space. More

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