Businesses Aim to Pull Greenhouse Gases from the Air. It’s a Gamble

For some time I'm wondering if chemical air scrubbing is actually better - economically - than cooling air until CO2 drops solid. There is at least one company, which does that for some specific air cleaning cases - https://sesinnovation.com/ - but to have a good comparison would be nice...

Wouldn’t these plants generate credits under cap-and-trade? That’s a strong economic incentive under the right system.

I’m not sure why the article focuses on morality and “dangerous habits” when we understand exactly how to encourage limiting carbon emissions with an amoral free market approach.

Plant a lot of trees, surely? And possibly sell the carbon credits therefrom.

The article addresses this at the beginning: it’s not possible to plant enough trees.

Have to wonder if there isn’t a process involving something more easily scaled and supercharged like growing algae that could improve upon this.