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Doesn't necessarily sound like a bad estimate just based on approximate frequency of other extinction events. What they're describing doesn't necessarily sound
by kadoban 5y ago
Doesn't necessarily sound like a bad estimate just based on approximate frequency of other extinction events. What they're describing doesn't necessarily sound like the end of life on Earth, only the end of life as we know it.
I'm not following what the mechanism is supposed to be though.
- LorenPechtel 5y agoMechanism: To keep the Earth cool the greenhouse effect needs to be turned down. That happens by CO2 being absorbed by water and turning into limestone. This is countered by limestone weathering and limestone getting sucked into volcanoes.