Plants build sugar and starch molecules out of air and water, the carbon atoms come from the atmosphere, not underground, that's the crucial difference. > The

Plants build sugar and starch molecules out of air and water, the carbon atoms come from the atmosphere, not underground, that's the crucial difference. > The farming and transport also produces emissions and you lose a ton of energy on the way. Yeah, you have to do it as part of a system that makes sense overall. E.g. small-scale local integrated CSA that also provides N gallons (or liters) per member of fuel per month as well as groceries. Something like that.