’80s Flashback: Dr. Hansen’s carbon dioxide warning

Data from the U.S. Energy Information Administration's 2013 International Energy OutlookOn this date in 1988, Dr. James Hansen of NASA testified about the scientific evidence clearly linking carbon dioxide to global climate shifts before a Congressional committee. But Bobby McFerrin’s “Don’t Worry Be Happy” was one of the top tunes of the time and that attitude drowned out climate scientists for years. Twenty-six years later, America is beginning to take Hansen’s warning seriously.

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