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ahhhhnoooolast Sunday at 2:14 PM2 repliesview on HN

Then solar and wind aren't technically renewable either, because the sun is going to eventually consume the earth and explode.

Geothermal is renewable.


Replies

Mordisquitoslast Sunday at 2:24 PM

However much solar or wind energy we use, the Sun will last exactly as long. This is not a matter of scale. Even if we were to build a photovoltaic Dyson sphere around the Sun, it would have the same lifespan.

That is not the case for geothermal. It could in theory be cooled down if exploited at a massive scale.

Saying geothermal is not renewable is not an indictment nor a criticism. Geothermal is great and we should use it more. It's just technically not renewable, but that doesn't matter.

delichonlast Sunday at 2:57 PM

And a new star will eventually form from the debris, so "renewable" is a function of time scale.

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