According to https://en.wikipedia.org/wiki/List_of_countries_by_carbon_dioxide_emissions https://en.wikipedia.org/wiki/List_of_countries_by_carbon_di... US and

According to https://en.wikipedia.org/wiki/List_of_countries_by_carbon_dioxide_emissions https://en.wikipedia.org/wiki/List_of_countries_by_carbon_di... US and EU make up 22% of world's carbon emissions. So if we (ie the people addressed by the article) stop to exist, the population will continue to grow in size (4bn in Africa by the end of the century) and carbon emissions will probably catch up to where they are now in a decade or so.