(Side note: it's CO2, carbon+(oxide×2), not C zero two)
It's not futile if we don't remove atmospheric CO2, but we would have to get to net zero warming without cheating and we would have to get there within our emission budget to stay below <insert your temperature target>.
It's not futile if we don't remove atmospheric CO2, but we would have to get to net zero warming without cheating and we would have to get there within our emission budget to stay below <insert your temperature target>.