Submitted by Psychological_Wheel2 t3_zzii81 in space
EverlastingM t1_j2cgn76 wrote
Reply to comment by Psychological_Wheel2 in Question by Psychological_Wheel2
There's lots of hydrogen in space but it's spread so thin it's basically non-existent. On the other hand, every year we collectively emit 41 billion tonnes of water made from hydrogen that has been locked away in hydrocarbons. Also CO2 which is the part we're usually concerned about.
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