If we roughly estimate that an average person exhales about 0.66 kilograms of CO 2 in a day, this means that a world population of about 7 billion people will exhale around 1.7 gigatons of CO 2 into ...
At the end of last year we took a look at a new device, the ZoneX from French startup Pairfs based in Grenoble. First a bit of science. It has been known since the early 19th century that lactic acid ...
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