Quote:
Originally Posted by underGRADFlame
You don't believe that the 400+ years of burning fosil fuels into our atmosphere has had no effect on it? |
All I am going to say is to read a paper by professor Tim Patterson of Carlton University. His papers are supported by many people in climate science. If you read it you will see that sunspot variations are primary cause of global warming.
http://en.wikipedia.org/wiki/Sunspot
Also there have been periods in history when the Earth's temperature has been higher than CO2 levels.