After a one-year COVID delay, the COP26 climate summit has kicked off in Glasgow, where heads of state and non-government representatives will haggle over who should cough up the most cash to help developing countries meet their climate goals. In the lead-up, many nations made pledges to dramatically reduce their carbon footprints by the end of the decade, and to reach net zero carbon emissions by 2050. But who has the furthest way to go in ditching dirty energy projects? At this crucial moment in time, we take a look at countries that have amassed the biggest coal capacity over the past two decades, and their respective carbon dioxide emissions per capita.