![Giacomo Zucco [I identify as a -e^iπ vampire]](https://pbs.twimg.com/profile_images/1172971162919415813/Pn8O2gkx_normal.jpg)
I wonder how sustainable this is. Can the world "run out" of geothermal energy?
Iceland company drilling 5,000m well into fluid magma. Expect temperature 400-1000C and 200 atmosphere pressure. https://www.newscientist.com/article/2109872-iceland-drills-hottest-hole-to-tap-into-energy-of-molten-magma/?utm_medium=Social&utm_campaign=Echobox&utm_source=Twitter&utm_term=Autofeed&cmpid=SOC%7cNSNS%7c2016-Echobox#link_time=1477049177 …
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Excellent, thanks! So we'd need to use 10^11*current power to deplete it (in 1 yr). Possible in future.
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Or in other words if we powered the entire planet with only geothermal, even if our consumption is 100x present...
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...the Earth would stop supporting life (for other reasons) well before we ran out of energy.
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What are these other reasons? I'm curious.
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https://en.wikipedia.org/wiki/Future_of_Earth … Reduction of CO2 -> death of plants, then brighter sun -> boiling oceans.
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"boiling oceans" is misleading, sorry. Evaporating oceans is more accurate.
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