The lifestyles of around three average Americans will create enough planet-heating emissions to kill one person, and the emissions from a single coal-fired power plant are likely to result in more than 900 deaths, according to the first analysis to calculate the mortal cost of carbon emissions. From a report: The new research builds upon what is known as the “social cost of carbon,” a monetary figure placed upon the damage caused by each ton of carbon dioxide emissions, by assigning an expected death toll from the emissions that cause the climate crisis. The analysis draws upon several public health studies to conclude that for every 4,434 metric tons of CO2 pumped into the atmosphere beyond the 2020 rate of emissions, one person globally will die prematurely from the increased temperature. This additional CO2 is equivalent to the current lifetime emissions of 3.5 Americans.
Adding a further 4m metric tons above last year’s level, produced by the average US coal plant, will cost 904 lives worldwide by the end of the century, the research found. On a grander scale, eliminating planet-heating emissions by 2050 would save an expected 74 million lives around the world this century. The figures for expected deaths from the release of emissions aren’t definitive and may well be “a vast underestimate” as they only account for heat-related mortality rather than deaths from flooding, storms, crop failures and other impacts that flow from the climate crisis, according to Daniel Bressler of Columbia University’s Earth Institute, who wrote the paper.
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