I learned a lot of new things from this article. Obviously humans have a huge impact on climate and the environment, but I never knew that it was as severe as it is now. Oxygen levels have raised incredibly over the last couple of years. As the atmospheric oxygen increases, oceanic oxygen is decreasing rapidly. More and more species are changing and some are even to the point where they are dying out. There have been raised oxygen levels dated back 635 million years ago, but none as high as today's. Some people are saying the problem could be associated with glaciers that have melted and flooded waters and created a higher temperature.
http://www.sciencedaily.com/releases/2012/09/120926161722.htm
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