Tuesday, October 20, 2009

Arctic Lake Sediments Show Warming


Sediment cores at a remote Arctic Lake, show that biological and chemical changes have been occurring for the past 200,000 years and the main cause is humans. The University of Colorado is going to find out exactly what is going on with our world.
Most scientists believed that the causes were natural and just occurring because of the wobbles in the Earth's orbit. But, recently scientists have found that the changes on Earth are caused by human activity, like the greenhouse emissions.
Basically, this article is informing people that our world is melting because of the things we want and need everyday. To read more about this article, go to science daily.com

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