At this moment I wasn't just looking down at the Earth but I was looking at a planet hanging in the blackness of space.

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That basic idea of looking at the waste products as the source of raw materials is the what on earth.

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So, its of no surprise, when looking at long term ice core sample and ocean core deposits, they indicate as the Earth warms, so does the carbon footprint from the increase carbon produced high in the atmosphere.

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"I'm looking at it on the computer, " Mr. MacLean recalled, of examining the image after he returned to Earth.

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