10bn tonnes must be captured from the air every year to limit global heating to 1.7C, says Johan Rockström
Problem is this part:
To achieve this through technological means, such as direct air capture, would require the construction of the world’s second biggest industry, after oil and gas, and require expenditures of about a trillion dollars a year, scientists said. It would need to be done alongside much more drastic emissions cuts and could also have unintended consequences.
That makes it incredibly unlikely that this kind of removal will be done.
yes indeed. but its about the wall of temperature increase we will soon hit.
everyone will deal with elevated temps if the change is slow.
Im not arguing against recapture. but IMO arguing about technologies wont help us if the system isnt in place.
co2 tax and environment sensitive calculation (lookimg at you capitalism) is not at a place where we can even think of selecting technologies.