alitalf
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Commented on Existential threats
On the face of it we are vulnerable to infrastructure collapse more than ever before. The necessary level of infrastructure to keep the current population alive is many stages removed from starting by banging the rocks together, even assuming that...
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Commented on Existential threats
Actually, if there is an order of magnitude more carbon dioxide, crops will probably have lower yield. Right now the CO2 level is towards the lower range of what plants like. Photosynthesis doesn't work well or maybe at all below...
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Commented on Thought experiment
Assuming it doesn't all break down in war because of overpopulation or shortage of resources, then: Not only will most of the people who live to 200 probably have learned to take a long view, but some of them will...