Except hydrogen is not made from just water, now is it. It’s made by using two tones of methane gas and five tons of water to make one ton of methane and six tones of co2. Thouse six tons of co2 are not recycled, neither is the natural gas that was used to make it. To say otherwise is what actual climate change denial looks like, as it is literally denying that a process emits vast quantities of co2 in favor of pretending it doesn’t exist. Hydrogen vehicles revive the exact same subsides as battery vehicles dispite this, and and have had public refueling points in California for over a decade.