Believe it or not, global warming is going fast nowadays. In north pole, the effect can be easily seen by just looking at the nature, especially the polar bears. Someone took a video as evidence and it’s being uploaded on YouTube. Have a look at it, you will definitely admit that global warming is really taking place.

Video via Cool Stuff | Image via solcomhouse

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• Positive Proof of Global Warming
• Piracy Helps Stop Global Warming
• Sarah Silverman on Global Warming