Page history
June 28, 2016
April 11, 2016
August 2, 2008
June 5, 2008
Undo -- Your sources don't back up your claims; NASA said 1998 was hottest global year, not US http://www.albionmonitor.com/9901a/1998hot.html
-197
U.S., not worldwide. Added refs for both.
+197