NET Power Inc. (NPWR) This company's technology burns natural gas, producing carbon dioxide that is mixed with recirculated CO2 and used to spin a turbine and generate electricity.

Lattes have a carbon footprint of about 0.55 kg, followed by cappucinos on 0.41 kg and flat whites on 0.34 kg. But when the coffee is produced sustainably, these values fall to 0.33 kg, 0.2 kg and ...