Climate Change/Mass Extinction Megathread

Started by Syt, November 17, 2015, 05:50:30 AM

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Valmy

Quote from: Crazy_Ivan80 on July 09, 2024, 01:08:03 PMClimate wars

Well maybe some day. I don't think we are quite where we need to be to be able to ruin one country's climate without also destroying your own in the near future.
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Josquius

Quote from: Valmy on July 09, 2024, 07:28:18 PM
Quote from: Crazy_Ivan80 on July 09, 2024, 01:08:03 PMClimate wars

Well maybe some day. I don't think we are quite where we need to be to be able to ruin one country's climate without also destroying your own in the near future.

I dunno, I could see Russia seeing it as a favourable bet. They're pretty pro climate change as they think it's all positive for them.
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viper37

I don't do meditation.  I drink alcohol to relax, like normal people.

If Microsoft Excel decided to stop working overnight, the world would practically end.

grumbler

Quote from: viper37 on July 08, 2024, 08:46:18 PMUsing copper to convert CO₂ to methane could be game changer in mitigating climate change

That doesn't make a lot of sense.  Methane is CH4.  Carbon Dioxide is CO2. So it needs more than energy + copper to make a conversion.
The future is all around us, waiting, in moments of transition, to be born in moments of revelation. No one knows the shape of that future or where it will take us. We know only that it is always born in pain.   -G'Kar

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HVC

Quote from: grumbler on July 10, 2024, 08:40:25 PM
Quote from: viper37 on July 08, 2024, 08:46:18 PMUsing copper to convert CO₂ to methane could be game changer in mitigating climate change

That doesn't make a lot of sense.  Methane is CH4.  Carbon Dioxide is CO2. So it needs more than energy + copper to make a conversion.

Guessing water, which would also be a product of methane combustion so could be closed loop too ( or close to it, if you're capturing co2 anyway )
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Richard Hakluyt

The surplus electricity is used to electrolyse water and the carbon dioxide reacts with the hydrogen to produce methane and water https://en.wikipedia.org/wiki/Sabatier_reaction and heat.

Why not simply use the hydrogen generated in the electrolysis to generate power when needed  :hmm:  ? Methane is an easier and safer gas to handle that may be the reason?

grumbler

Quote from: Richard Hakluyt on July 11, 2024, 02:44:49 AMThe surplus electricity is used to electrolyse water and the carbon dioxide reacts with the hydrogen to produce methane and water https://en.wikipedia.org/wiki/Sabatier_reaction and heat.

Why not simply use the hydrogen generated in the electrolysis to generate power when needed  :hmm:  ? Methane is an easier and safer gas to handle that may be the reason?


Thanks for that link.  I think that the reason to convert to methane is that it has much better energy density per unit of volume, which is key when considering that this technique is proposed as a way to store energy to smooth out the energy delivery of solar and wind energy.
The future is all around us, waiting, in moments of transition, to be born in moments of revelation. No one knows the shape of that future or where it will take us. We know only that it is always born in pain.   -G'Kar

Bayraktar!