While it appears he actually has credentials related to this topic I would be way of promoting him in particular. Giving more light to someone who was so deeply entrenched in the gamergate harassment campaigns is not a good thing. I took a quick look around and while it seems like he's stepped away from that kind of commentary I haven't seen any acknowledgement of what he did.
Sucking carbon dioxide out of the sky is moving from science fiction to reality
Occidental Petroleum is investing in billion-dollar projects to suck carbon dioxide out of the sky. The effort is raising hopes — and eyebrows...