The Roam water bottle is like a personal SodaStream you can carry in your hand, and the company is developing flavored CO2 that tastes so good.

Reference: “Carbon capture and sequestration with in-situ CO2 and steam integrated 3D concrete printing” by Sean Gip Lim, Yi Wei Daniel Tay, Suvash Chandra Paul, Junghyun Lee, Issam T. Amr, Bandar A.

"One is we take CO2 out of the atmosphere and we store that permanently. The second thing we do is produce green hydrogen." Equatic is among a wave of companies exploring how the ocean could be ...