NASA tracking CO2 emissions

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In two weeks, world leaders will gather for one of the most important climate conferences ever to set new global limits on carbon emissions aimed at slowing global warming. NASA will be playing a part in tracking the changes with their fleet of satellites.

NASA scientist Jeremy Werdell joined us live from the Goddard Space Flight Centre in Greenbelt, Maryland to talk about the technology and how the earth is changing because of rising carbon dioxide levels.