Greenhouse Gases at Record Levels as Earth Warms - NBC 7 San Diego

    Greenhouse Gases at Record Levels as Earth Warms

    Scientists at the Scripps Institute of Oceanography have made a troubling discovery in carbon dioxide levels linked to global warming. NBC 7's Dagmar Midcap reports. (Published Friday, May 2, 2014) Scientists at the Scripps Institute of Oceanography have made a troubling discovery in carbon dioxide levels linked to global warming. See More