Conversation

If direct air removal costs $500 per tonne, removing just US emissions would cost ~$3 trillion annually (that's ~4x US military spending).

It would also require twice the total power generation capacity of the US today (and it has to be carbon-free).

https://thebulletin.org/2023/12/direct-air-capture-an-expensive-dangerous-distraction-from-real-climate-solutions/