That is a pretty obvious conclusion. If you first dilute your emissions to the ppm level and let them spread around the entire planet, then sucking them up again is obviously going to be costly.
Prof. Stefan Rahmstorf
π§ͺ FIRST STUDY to compare direct air capture of CO2 vs renewables:
βAn amount of money spent deploying wind or solar delivers more combined climate and public health benefit than if it is spent on DAC.β
Releasing CO2 into air and then trying to suck it up is dumb.
techxplore.com/news/2026-05...
The case for investing in direct air capture weakens substantially once it is directly compared against solar and wind, according to an analysis published in Communications Sustainability. The paper i...