NASA Goddard Space Flight Center is preparing to re-analyze 25 years of environmental satellite data in an effort to reach more accurate conclusions and deeper insights about changes in Earth’s climate since the 1970s.

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Brian Berger is editor in chief of SpaceNews.com and the SpaceNews magazine. He joined SpaceNews.com in 1998, spending his first decade with the publication covering NASA. His reporting on the 2003 Space Shuttle Columbia accident was recognized with...