Keep in mind that the temperatures rose from the 1970s to the end of the 1990s, but there has been no significant rise in global temperatures in the last 12-17

Keep in mind that the temperatures rose from the 1970s to the end of the 1990s, but there has been no significant rise in global temperatures in the last 12-17 years. http://www.politifact.com/rhode-island/statements/2013/aug/25/steve-goreham/global-warming-skeptic-says-global-surface-tempera/ http://www.politifact.com/rhode-island/statements/2013/aug/2...