There's a handful but to be honest most of them are still developing their technology so they could be vaporware in the end. One of the most mature ones, thoug

There's a handful but to be honest most of them are still developing their technology so they could be vaporware in the end. One of the most mature ones, though, is Climeworks [1], and you can buy offsets from them already. 1: https://climeworks.com/ https://climeworks.com/