this post was submitted on 21 Dec 2023
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[–] [email protected] 11 points 11 months ago (15 children)

Over a 25-year period, though, methane is 85 times worse for the climate than carbon dioxide.

Doesn't it get reduced in the athmosphere in about 5 years to mostly CO2?

[–] [email protected] 17 points 11 months ago (13 children)

The atmospheric half life of methaine is just under 10 years. So if you release 1k lbs of methaine in 10 years there will be 500 lbs left 10 years after that ther will be 250 ect.

[–] [email protected] 10 points 11 months ago* (last edited 11 months ago) (1 children)

It's complicated. The breakdown of methane in the atmosphere depends on hydroxyl radicals that are created at a regular rate. If you have more and more methane released, and/or you have other chemicals that also react with those radicals, the overall average half life will increase. Both those things are happening, so the old half life really isn't as accurate as it used to be. Guess which number the IPCC still uses for its models though.

[–] [email protected] 4 points 11 months ago

Goddam Hydroxl Radicals keep sending drones to attack US ships! Iran needs an ass-kicking!

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