Climate is the average pattern of weather over the long term. The earth’s climate has warmed and cooled for millions of years, since long before we appeared on the scene. There’s no doubt that the climate is growing warmer currently; indications of that change are all around us. 

As you can see, the first graph shows the changes in Earth’s temperature since year 0. The second graph above reflects regular warming and cooling cycles about every 100,000 to 200,000 years. The Earth goes through periods of warming and cooling, naturally. The Earth has experienced ice ages. This is when the Earth goes through a cooling trend until it freezes. But after, the Earth begins to warm again. Currently, the Earth is warming, and will continue to warm for a while before it levels off and begins to cool. There is nothing that humans can do to stop the warming trend that the Earth is going through. The amount of c02 that humans release into the atmosphere is. Global warming and climate change definitely exists, but it is not being caused by human interference. The links below explain more in depth everything I have stated.

http://www.drroyspencer.com/2009/04/some-global-warming-qa-to-consider-in-light-of-the-epa-ruling/

http://www.peterkonetchy.com/PK_Global_Warming.html

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