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Sammy looked at the pile of paper on the floor. Whenever he finished reading his mail or a newspaper or magazine, he threw it into this pile. This was his recycling pile. At the moment, it was almost two feet high. It was time to recycle. He squatted
By Greg Flakus Scientists in Texas are trying to find a way of reducing carbon dioxide air pollution by capturing the gas, compressing it and then putting it underground. This technique could also yie
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