We've been pouring carbon into our atmosphere for over 200 years, with potentially catastrophic consequences for the global climate. Now a start-up venture called Air Ink has found a good use for some of that extra carbon: a line of pens whose ink is made of recycled air pollution.
We've been pouring carbon into our atmosphere for over 200 years, with potentially catastrophic consequences for the global climate. Now a start-up venture called Air Ink has found a good use for some of that extra carbon: a line of pens whose ink is made of recycled air pollution.
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