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It established the broad framework for protecting our environment.
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The Clean Air Act regulated emissions and the Water Quality Improvement Act expanded Federal authority and established a procedure to prevent degradation of water.
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In this speech, he acknowledges that environmental conservation is a priority and should be given national attention.
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It consolidated the federal government's various environmental projects.
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It required companies to buy a certain amount of energy from renewable sources.
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It is the first company to generalize and commercialize stereolithography. The exact date of it's founding is unknown.
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Charles W. Hull patented the method of stereolithography.
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The United States joined.
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The United States also joined this one.
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3D printing stock has made several sharp movements during this time period which serves as a red flag for any investor. What impact could this have on the 3D print market as a whole?