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Argument: Ocean layers have warmed in a manner that indicates human-causes of global warming
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Supporting articles
- "New proof that man has caused global warming". February 18, 2005 - "The strongest evidence yet that global warming has been triggered by human activity has emerged from a major study of rising temperatures in the world’s oceans.
- The present trend of warmer sea temperatures, which have risen by an average of half a degree Celsius (0.9F) over the past 40 years, can be explained only if greenhouse gas emissions are responsible, new research has revealed."
- Union of Concerned Scientists. "Global Warming." Retrieved 12.10.07 - "Fingerprint 1: The Ocean Layers Warm: The world's oceans have absorbed about 20 times as much heat as the atmosphere over the past half-century, leading to higher temperatures not only in surface waters but also in water 1,500 feet below the surface. [8,9] The measured increases in water temperature lie well outside the bounds of natural climate variation."
