Georgia's Plant Scherer remains single biggest U.S. source of greenhouse gases, EPA says

October 25, 2013 11:44 AM

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  • See border wall prototypes at Otay Mesa Port of Entry from above

    Four weeks into the Border Wall Prototype Construction Project, eight new wall prototypes were constructed near the Otay Mesa Port of Entry as of October 19. This aerial view shows the walls being built. Otay Mesa is a community in San Diego.