NY Times - In a recent commentary for Nature Medicine, the Georgetown University biologist Colin Carlson used a decades-old formula to calculate that warming had already killed four million people globally since 2000 just from malnutrition, floods, diarrhea, malaria and cardiovascular disease. As Carlson notes, this means that, since the turn of the millennium, deaths from climate change have already exceeded those from all World Health Organization global-health emergencies other than Covid-19 combined. “Vanishingly few of these deaths will have been recognized by the victims’ families, or acknowledged by national governments, as the consequence of climate change,” he says.Going forward, most estimates suggest the impact should grow along with global temperature. According to one 2014 projection by the W.H.O., climate change is most likely to cause 250,000 deaths annually from 2030 to 2050. According to research by the Climate Impact Lab, a moderate emissions trajectory, most likely leading to about two degrees of warming by the end of the century, would produce by that time about 40 million additional deaths.
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