From:http://www.eurekalert.org/bysubject/atmospheric.php

Contact: Anne Stark
stark8@llnl.gov
925-422-9799
DOE/Lawrence Livermore National Laboratory

New observations and climate model data confirm recent warming of the tropical atmosphere

LIVERMORE, Calif. – For the first time, new climate observations and computer models provide a consistent picture of recent warming of the tropical atmosphere.
Over the past decade, scientific evidence from a variety of sources has implicated human-caused increases in greenhouse gases as a major driver of recent climate change. A key argument used to rebut such findings relates to satellite records of temperature change in the troposphere – the lowest layer of Earth's atmosphere.

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