miranda divine on the abbott story, page-33

""The earth goes through natural heating and cooling cycles."
In a 60 year period? No".

This might give you a hint about something that we know about causes cliamte variations in a timesacle of decades.

http://en.wikipedia.org/wiki/Pacific_decadal_oscillation

For recent years, the global warming scam was so supported by members of the power sctructure that stood to benefit from that scam that most scientists did not challenge it.

The media would character assasinate anyone who dared to challenge the basic tenents of the scam, so for most it was not worth the career risk