Water treatment is expensive. It uses a lot of energy and produces its own waste that gets disposed of at a hefty price.

Production of carbon dioxide from reaction of citric acid and baking soda ...

It’s getting cheaper to filter carbon dioxide out of the air Google’s carbon footprint balloons in its Gemini AI era Holocene says its technique is more efficient than others because it’s ...

Energy Dome uses carbon dioxide held in a huge balloon, the “dome” in the company’s name, as a kind of battery. During the day, electricity from the local grid, some produced by nearby ...

"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 ...