Reply to post: Re: Venus did harbor water... but it was boiled away as its surface temp rose to 470 deg

Astroboffins discover rapid 'electric winds' blowing on Venus

vir

Re: Venus did harbor water... but it was boiled away as its surface temp rose to 470 deg

They're already bumping up against uninhabitable during heat waves. The big milestone is a wet-bulb temperature of 35C, above which sweating is ineffective, making it lethal in less than 6 hours. Some places have already come very close to this. With a projected 4-degree rise in 100 years, many places in the region would regularly have heat waves (plus extra humidity) exceeding this temperature and "normal" temperatures would be rather close. Here's an article:

https://www.theguardian.com/environment/2015/oct/26/extreme-heatwaves-could-push-gulf-climate-beyond-human-endurance-study-shows

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