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    Volcanoes versus humans
A listener asks if the volcano Mount Etna produces more carbon emissions than humans after she saw a post on Facebook that made that claim. We take a deeper look at carbon dioxide numbers with climate scientist Laura Wilcox and volcanologist Mike Burton.
Last on
            Tue 4 Jun 2019
            01:50GMT
        
        ÃÛÑ¿´«Ã½ World Service
     
                    