Neat News 1765 (added 2020-10-30)
Diamonds from CO2

Public Domain by Unknown USGS employee
A new method to produce diamonds from CO2 in the air, water, and energy offers a way to replace the traditional method of mining for diamonds which creates many environmental problems. Sky Diamonds wants to use a process in which a seed diamond is put in a hot chamber filled with 800oC hot methane gas.