Global Warming "Undeniable," U.S. Government Report Says
Global Warming "Undeniable," U.S. Government Report Says
By Christine Dell'Amore
National Geographic News
Published July 28, 2010

Past decade hottest on record, NOAA study says.
"An in-depth analysis of ten climate indicators all point to a marked warming over the past three decades, with the most recent decade being the hottest on record, according to the latest of the U.S. National Oceanic and Atmospheric Administration's annual "State of the Climate" reports, which was released Wednesday. Reliable global climate record-keeping began in the 1880s."

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