News for hackers. Stuff that matters.

A comment on Spreading rock dust on farms as a climate solution. Parent comment

Re:Spreading rock dust on farms as a climate solution by ffhhj on Saturday May 14, 2022 @08:52PM (#31384234)
Do rock minerals capture more oxigen than carbon?
[ Parent | on HN ]
Re:Spreading rock dust on farms as a climate solution by ncmncm on Saturday May 14, 2022 @09:48PM (#31384535)
They are mostly already oxidized.
[ Parent | on HN ]
Re:Spreading rock dust on farms as a climate solution by eru on Sunday May 15, 2022 @12:09AM (#31385187)
And it wouldn't matter too much (within reason): we have vastly more O2 in the atmosphere than CO2 we want to get rid of.
[ Parent | on HN ]
Re:Spreading rock dust on farms as a climate solution by ncmncm on Sunday May 15, 2022 @02:53AM (#31385747)
The CO2 is at <0.05% concentration. O2 is at >21%.
[ Parent | on HN ]