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by egypturnash
2508 days ago
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Other basic needs include * dry land to live on * air that is cool enough for sweating to work to cool you off so you don’t die of heatstroke (< 100-140f, depending on humidity - high humidity lowers the threshold) * oxygen to breathe This year’s been seeing record high temperatures all summer. And scarily early melt cycles in the icecap. And the world’s major forests keep on getting cut down faster and faster. |
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1) There's insignificant differences in total land mass on the planet in the past few hundred years. I'm not sure what you're suggesting there. Sea levels have varied by dozens to hundreds of feet in the past. Life went on.
2) There are absolutely no scenarios where heat accelerates to 140F. The planet had CO2 PPM in the thousands for hundreds of millions of years. (of course, the CO2 in those years, was caused by volcanic activity) Still, life went on.
https://www.livescience.com/44330-jurassic-dinosaur-carbon-d... http://earthguide.ucsd.edu/virtualmuseum/climatechange2/07_1...
3) Oxygen levels have not changed significantly. What kind of statement is that? O2 outnumbers CO2 by orders of magnitude in the Earth's atmosphere (21% of the atmosphere is O2, CO2 is way <1%).
Record highs in Europe are local record highs (from the past century), not global all time highs. Russia, for example, experienced record all time lows during the same time Europe was getting hit by its heat wave: https://electroverse.net/all-time-record-low-temperatures-tu...